. --So hard __________ in the past few months that he has made great progress in English. --I can see that, only a few mistakes he made in this exam.
#103811
A
he worked
B
did he work
C
he has worked
D
has he worked
推荐题目
—Do you know if the foottball game has started yet?—Started? It must be certain who ________ by now.
#104474
A
is winning
B
wins
C
has won
D
would win
The battle lasted for a few hours and at last the enemy ________.
#103830
A
was defeated
B
were beat
C
were won
D
defeated
–Hi, Tom, You look tired. --Yes, I _____________ the room all the afternoon.
#102380
A
painted
B
had painted
C
have painted
D
have been painting
—Wow, what a large crowd!—Yes, And they______ in the cold wind for hours. You know, Premiere Wen Jiabao is coming here.
#103751
A
will be waiting
B
have waited
C
are waiting
D
have been waiting