My uncle’s house in the downtown area is much smaller than ours, but it twice____ expensive.
A.so. | B.as. | C.too. | D.very. |
Evdence has been found through years of study______ children’s early sleeping problem likely to continue when they grow up.
A.why | B.how | C.whether | D.that |
Everyone in the village is very friendly. It doesn't matter ____ you have lived there for a short or a long time.
A.why | B.how | C.whether | D.when |
(2012江西卷)It suddenly occurred to him he had left his keys in the office.
A.whether | B.where | C.which | D.that |
As many five courses are provided, and you are free to choose ______ suits you best.
A.whatever | B.whichever | C.whenever | D.wherever |
Scientists study ____ human brains work to make computers.
A.when | B.how | C.that | D.whether |