Today the forests are disappearing. We must _______ down too many trees.
A. prevent people to cut B. prevent people from cutting
C. prevent people for cutting D. prevent people at cutting
He ate all the fish, _______, his parents have no fish to eat.
A. in order to B. as a result C. for example D. moreover
-Did you sleep well yesterday? You look very tired !
-My mother made me _______ the piano for a whole night.
A. play B. played C. to play D. plays
This maths question is _______ for us to answer.
A. easy enough B. enough easy
C. easily enough D. enough easily
There are _______ bears on the earth because they have _______ space on it.
A. fewer and fewer; less and less B. more and more; fewer and fewer
C. less and, less; fewer and fewer D. more and more; less and less
—What is he going to do? —He is _______.
A. go birdwatching B. going birdwatching
C. going to birdwatching D. go to birdwatch
