--- What do you think of my suggestion?
--- I’m sorry. Er… I _______ about something else.
A. thought B. am thinking C. was thinking D. had thought
The newly-married couple quarreled so much that they reached the point _______ they had to separate from each other.
A. when B. where C. which D. that
He was thinking about the problem when an apple fell off the tree, _______ him right on the head.
A. hit B. having hit C. hitting D. and hitting
I’ve got so many problems _______ today that I’m afraid I won’t have time to have lunch.
A. to handle B. handle C. handling D. handled
--- Will you take up teaching as a career after graduation?
--- Hard to say. I _______ go abroad for higher education instead.
A. should B. must C. might D. shall
Much to our disappointment, things are not going so well as _______.
A. plans B. planning C. planned D. to plan
