Lily’s mother is too busy _______ housework _________ her with her homework.
A. to do; helping B. doing; helping C. to do; to help D. doing; to help
--- He’s already been back from the USA,_________?
--- _________. He is on a visit to Shanghai.
A. hasn’t he; No B. isn’t he; Yes C. hasn’t he; Yes D. isn’t he; No
Few students can understand the sentence until it _____ twice or three times.
A. explains B. is explained C. will be explained D. has explained
“WeChat” really makes a great _____ to our life. More and more people use it now.
A. chance B. problem C. difference D. surprise
There were some big stones _______ my way _________ my way home yesterday.
A. in; on B. on; in C. in; by D. at; by
--- Excuse me, could you tell me ______?
--- In front of the gate of our school.
A. what time should we arrive at the park B. where should we meet
C. where I can find you tomorrow morning D. what we need to take with us
