Only when_______ 30 years old ______ to learn English.
A．was he; did he begin B．he was; he began
C．was he; he began D．he was; did he begin
All of us know that China has thousands of islands, _____ is Taiwan.
A. the largest of which B. the largest of them
C. the largest one D. one of the largest
The politician was deeply hurt when many of his former support voted _______ him and he lost his place in the government.
A. for B. to C. against D. at
Jack wasn’t saying anything，but the teacher smiled at him________he had done something very clever.
A．as if B．in case C．while D．though
The time he has devoted in the past 10 years________ the disabled is now considered________ of great value.
A．to help；being B．to helping；to be
C．to help；to be D．helping；being
________in the newspaper，I didn’t notice what was happening.
A. Having buried B. Burying
C. Buried D. Being buried
