The temperature_____ takes place varies widely from material to material.
A.which melting
B.at which melting
C.at which they melt
D.which they melt

Harry: “Are you ready, Kate? There’s not much time left.”Kate: “Yes, just a minute_____.
A.No longer
B.I won’t finish
C.I’d be OK
D.I’m coming

I could not _______ the lecture at all. lt was too difficult for me.
A.get along
B.make off
C.take in
D.hold on

Alfonso: “I had a really good time. Thanks for the lovely evening.”Maria: “_________”
A.l'm glad you enjoyed it
B.Yes, it’s really good
C.Oh, that’s right
D.No, it's very kind of you

The sign “NO TRESPASSING" tells you______
A.not to photograph
B.not to smoke
C.not to enter
D.not to approach

Sue: “Can you help me with my essay?” 7Robert:_______
A.Yes, I‘m afraid not.
B.I think that, too.
C.Not completely.
D.Why not?

She built a high wall round her garden_______
A.to enable people not taking her fruit
B.so that her fruit would be stolen
C.to prevent her fruit from being stolen
D.in order that her fruit not be stolen

“Never be late for an interview, ______ you can’t get the job."
A.unless
B.otherwise
C.or so
D.if not

If it ______for the heavy storm, the accident would not have happened.
A.weren’t
B.hadn‘t been
C.isn't
D.were

His academic record at high school was poor. He failed to apply to that prestigious institution.
A.His academic record at high school was poor because he didn’t apply to that prestigious institution.
B.His academic record at high school was poor as a result of his failure to apply to that prestigious institution.
C.Failing to apply to that prestigious institution, his academic record at high school was poor.
D.His academic record at high school was poor; as a result, he failed to apply to that prestigious institution.