Could you tell me ______ the singer will come to our school or not?
A. If
B. Whether
C. That
D. What
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My best friend and I haven’t seen each other _________ she went to the USA 10 years ago.
A. when
B. if
C. although
D. since
---Li Ming, are you leaving for Hangzhou for trip tomorrow?-No. It will be three days ________ I start my trip.
A. after
B. as
C. before
D. when
Many people read newspapers _________ they can learn what’s happening in the world.
A. so that
B. ever since
C. as soon as
D. even though
The teacher got angry ________ what we had done in class yesterday.
A. because
B. because of
C. as
D. but