The doctors were __________ with the operation.
A. satisfy B. satisfying C. satisfied D. to satisfy
Have you__________ Jim? No, I haven't.
A. heard from B. heard of C. heard D. listened
The boy argued __________ his teacher __________ his homework.
A. with; for B. with; about C. about; about D. against; about
Today, WeChat（微信）becomes very popular, and more and more people like to use it to _____ each other.
A. depend on B. communicate C. believe in
Over fifty countries _______ the AIIB(亚投行) so far.
A. joined B. was joining
C. had joined D. have joined
—Hi, Lily! Why don't you go swimming with them? —Because I ________ my homework yet.
A. didn't finish B. won't finish C. haven't finished D. don't finish
