What are you________ at the moment?
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The school agreed _______the students on the course.
A. with sending
B. sending
C. to send
The rain ________coming down in buckets!
A. are
B. is
C. am
Listen! Someone is _______the doorbell.
A. ringing
B. rang
C. rung
There is a _______tire in the trunk of the car.
A. mind
B. storm
C. spare