Jack, look! Everybody is doing homework quietly. ________ you make a noise in class?
A. Could B. Shall C. Will D. Must
_______ they looked, they saw nothing but ruins after the terrible earthquake.
A. Whichever B. Whatever C. Wherever D. However
- Was it because of his laziness_______ he didn't do the experiment successfully?
- No, it was because of his carelessness.
A. that B. while C. for D. as
The volunteers will visit the primary school next Monday ,_______all the students are children of migrant workers,
A. which B. who C. when D. where
Children of this age should be reminded of________ to do in public places.
A. what B. whether C. how D. why
The houses for the low-income families_______ at present in our city will be completed next year。
A. to be built B. built C. being built D. having been built
