So sudden ________ that the enemy had no time to escape.
A. did the attack B. the attack did C. was the attack D. the attack was
Occasions are quite rare ____ I have the time to spend a day with my kids.
A. who B. which C. why D. when
_____ was most important to her, she told me, was her family.
A. It B. This C. What D. As
He didn’t make ______clear when and where the meeting would be held?
A. this B. that C. it D. these
-Is Jack on duty today?
-It ____ be him. It’s his turn tomorrow.
A. mustn’t B. won’t C. can’t D. needn’t
The boss said we had only three days to finish the work.
Don’t worry. We have already ____ two thirds of it.
A. got down B. got through C. given in D. given away
