Fill in the blank with the correct phrasal verb: The management gave us permission to _____ with the new curriculum.

Introduction / Context:
This item tests your understanding of English phrasal verbs connected with starting or continuing a plan or project. Such collocations are very common in academic, corporate, and administrative contexts, so exam questions often ask you to select the most natural sounding combination.

Given Data / Assumptions:
- Sentence: The management gave us permission to _____ with the new curriculum. - Options: go fixed, go about, go ahead, go around. - Management granting permission implies approval to start or proceed. - The object of the verb is the new curriculum.

Concept / Approach:
The phrasal verb go ahead with something means to begin or continue a plan after receiving approval. Therefore, when management gives permission, the natural phrase is to go ahead with the new curriculum. Other phrasal verbs with go have different meanings and do not fit the context of formal permission to implement a plan.

Step-by-Step Solution:
Step 1: Interpret the sentence as management allowing the team to start implementing the curriculum. Step 2: Recall that go ahead with means to proceed or continue after getting approval. Step 3: Fit the phrasal verb into the sentence: to go ahead with the new curriculum. Step 4: Test go about. Go about something generally means to deal with or approach a task, not to start it after permission. Step 5: Test go around. This means to move from place to place or to be sufficient in quantity, which does not match the sentence. Step 6: Go fixed is not a standard phrasal verb in this context at all. Step 7: Therefore, go ahead is the correct choice.

Verification / Alternative check:
Consider similar sentences: The committee agreed, so we can go ahead with the project. The authorities finally allowed us to go ahead with the construction. In all cases, go ahead with clearly means to proceed following approval. Replacing the blank with go ahead produces a fluent and idiomatic sentence that matches this pattern.

Why Other Options Are Wrong:
Go fixed in option A is not a recognised phrasal verb and is completely unidiomatic here. Go about in option B would suggest the manner of doing a task, not the permission to begin implementing a new curriculum. Go around in option D either means to circulate or to be enough for everyone, and does not collocate with curriculum in the sense of starting it.

Common Pitfalls:
A common pitfall is to pick any familiar phrasal verb without checking whether it matches the exact meaning suggested by the sentence. Another error is to ignore the fixed preposition with. Some students choose go about but then the combination go about with the new curriculum sounds odd. Always consider both meaning and natural collocation when choosing phrasal verbs.

Final Answer:
The correct phrase is to go ahead with the new curriculum, so the answer is go ahead.