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 TV play, he got down to ____ his homework.
A.Watching; do | B.After his watching; do |
C.Watched; doing | D.Having watched; doing |
—Will you go skiing with me this winter vacation?
--- It __________________.
A.all depend. | B.all depends. | C.is all depended | D.is all depending |
I lost my way. I wonder ________ I can turn in the dark.
A.who | B.whom | C.to whom | D.for whom |
—Do you mind if I keep pets in the building?
--- _________________.
A.I’d rather you didn’t actually. | B.Of course not, it’s not allowed here. |
C.Great! I love pets. | D.No, you can’t. |
The fire ______ at might was still seen ______ the next morning.
A.breaking out; burning | B.to break out; to burn |
C.broke out; burnt | D.had broken out; burning |