While he_____ on the phone, a man walked into his room.
#39822
A
was talking
B
talked
C
is talking
D
talk
推荐题目
Tomorrow is Dragon Boat Day, so my mother and my grandma __ a big meal for our family in the kitchen.
#36158
A
are preparing
B
had prepared
C
prepare
D
prepared
－Why didn’t you go to the cinema with us this afternoon, Jim?－Because I ______ at the station for my uncle from Beijing at that time.
#41907
A
was waiting
B
have waited
C
am waiting
D
will wait
What ________ if there ______ no water or air on the earth?
#39823
A
happen, is
B
will happen, is
C
will happen, will be
D
happen ,are