问题

.Mary had to work at evenings and weekends. Only in this way _____ complete the reports by the deadline.
A:was she able to
B:she was able to
C:she has been able to
D:has she been able to
B:she was able to
C:she has been able to
D:has she been able to
正确答案是:
同类题型
We should make____a rule for us that the last to leave the classroom shall turn the light off.
Look at ______ girl with sunglasses. She is my cousin.
_____________? —-It’s black and white.
_______ of the materials I listened to at the beginning of the exam _______ easy.
What a successful Spring Festival Gala (春晚)!Who said we couldn’t make it?—_____.