People who have regular physical exercise seldom catch a disease like H1N1 Flu, ______?
A. don’t they B. haven’t they C. do they D. have they
-----The windows must have taken you quite a long time that day.
------Right. They for weeks.
A. haven’t been cleaned B. hadn’t been cleaned C. didn’t clean D. haven’t cleaned
The Chinese language _______ many western languages _______ it uses characters which have meanings and can stand alone as words.
A. different from; in that B. differs from; in which
C. differs from; in that D. is different from; in which
Many people in the city wonder _____the city officials have the information they need to solve the problem.
A. that B. which C. what D. whether
I ______ him in time, otherwise he would have fallen off the bike.
A. had supported B. supported C. have supported D. support
Not until all the fish died in the river ______ how serious the pollution was.
A. the villagers did realize B. the villagers realized
C. did the villagers realize D. didn’t the villagers realize
