Present at the meeting ．
A．Mr. Liu was, who taught us English
B．was Mr. Liu, who taught us English
C．was who taught us English, Mr. Liu
D．Mr. Liu, who taught us English, was
Scientists are convinced _____ the positive effect of laughter _____ physical and mental health．
A．of; on B．by; in C．of; at D．on; at
What would have happened, as far as the river bank?
A．Bob had walked farther B．if Bob should walk farther
C．if Bob walked farther D．had Bob walked farther
Rather than on a crowded bus, he always prefers a bicycle．
A．ride; ride B．riding; ride C．ride; to ride D．to ride; riding
—Remember the first time we met?
—Sure．You__________ the novel Pride and Prejudice in the library．
A．had borrowed B．have borrowed C．were borrowing D．borrowed
I can think of many cases students obviously know a lot of English words and expressions but couldn’t write a good essay．
A．why B．which C．as D．where
