31. You see the lightning _____ it happens, but you hear the thunder later.
A.for an instant | B.on the instant | C.in a instant | D.the instant |
The harder you work,____________.
A.the greater progress you'll make |
B.the greater you'll make progress |
C.you'll make the greater progress |
D.you'll make greater progress |
--Do you like the material?
--Yes, it ___________ very soft.
A.is feeling | B.felt | C.feels | D.is felt |
--Where is Xiao Wang?
--I don’t know. He__________ be in the library.
A.can | B.must | C.might | D.may |
Bread and butter____________ for breakfast in many Chinese homes nowadays.
A.serve | B.servers | C.is served | D.are served |
Is this the restaurant ___________ ?
A.which you work | B.in which you work |
C.for which you work | D.where you work in |