7. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. Abcd, ghIJ, Mnop, stUV, Yzab, ?
8. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. XXXOXXX, XXXXOXX, XXOXXXX, XXXXXOX, XOXXXXX, ?