My mother told the visitors _______ walk quietly and _______ wake the baby up.
A. to; to B. not to; not to
C. not to; to D. to; not to
That nature reserve is a good place wild animals live .
A. to, to at B. for, to, with
C. for, to, in D. to, for, in
About seventy percent of our earth _______ with water.
A.is covering B. is covered
C. are covered D.are covering‘
This kind of computer looks______ and sells______ in the shop.
A. nice, well B. good, good
C. nicely, well D. good, nice
The number of wild lions in Africa (非洲) _ _ much smaller than before.
A. is B. are C. has D. have
Wolves have good team work. They usually hunt _________a team and then they share their prey (猎物).
A. for B. about C. with D. as