―What were you doing when the light went off?
―I____________ with my sister on the phone.
A. talk B. talked
C. am talking D. was talking
—What did the teacher say?
—The teacher told us at the Capital Museum on time.
A. arrive B. arrived
C. arriving D. to arrive
The young girl sings as as the singer.
A.good B.well
C.better D.best
The girl was flying a kite________her father came back.
A.when B.while
C.until D.after
She ________ to an English program while her parents _________ TV.
A. was listening; is watching B. listened; were watching
C. was listening; watched D. was listening; were watching
—I don’t know________.
—Because he has to look after his mother.
A.why he is leaving
B.why is he leaving
C.whether he is leaving
D.whether is he leaving