In the meeting, the professor expressed his thanks for the aid he _________ from his students.
#100096
A
received
B
was received
C
have received
D
had received
推荐题目
I      to go for a walk,but someone called and I couldn’t get away.
#102480
A
was planning
B
planned
C
had planned
D
would plan
—What’s that terrible noise? —The neighbors ________ for a party. 
#104750
A
have prepared
B
are preparing
C
prepare
D
will prepare