If we ______ take environmental problems seriously, the earth _______ worse and worse.
A. don’t; will be B. won’t; isn’t
C. won’t; is D. don’t; won’t be
Like other wild animals, wolves only hunt ______ food. And they hunt ______ a team.
A. for; with B. as; for C. for; like D. for; as
I find the problems about physics ________ to work out than those about chemistry.
A. more easily B. more difficult C. more easy D. easilier
You didn’t know ______ I wanted to see you. It’s a year since I last saw you.
A. how often B. how long
C. how much D. how far
—I know there is a candy in his left hand, but I don’t know what is in his ______hand.
—I guess there is a golden ring.
A. another B. the other C. others D. other
There will be______one-hour documentary tonight on TV. It tells a story of______honest boy in the mountain village far away.
A. a, a B. /, a
C. an, a D. a, an
