时态和语态50题
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
1. --- Oh, dear. I forgot the air tickets.
--- You ______ something.
A. have left B. are always leaving
C. ar...
21.Nanjing, ___________ old capital of the six dynasties, is becoming _________ beautiful city.
A. a, a B. the, the C. the, aD. an, the
22.He __________ exercises, so he is gett...