Tom has much difficulty _____Chinese so he often asks me ______help.
A. understanding; for B. understanding; of
C. to understand; for D. to understand; for
Usually before exams, the students ____two minutes to write down their names.
A. are given B. were given C. gave D. will give
Some of the young men learn English________ to the radio．
A. from listen B. from listening C. by listen D. by listening
—Mary was heard _______ just now. What happened?
—John was telling a joke.
A. cry B. to cry C. laugh D. to laugh
Daniel was a bad mood and didn’t talk to .
A. on; something B. with; anybody C. in; anybody D. in; somebody
Would you mind the problem to us?
A. explain B. explaining C. to explaining D. to explain
