--- Why does the lake smell terrible?--- Because large quantities of water _________.
#101273
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
推荐题目
The young parents _________ too much a pet of their son, which is bound to destroy him in the end.
#99260
A
have made
B
are making
C
made
D
will be making
—Professor Smith, can I meet you at 10 o’clock tomorrow morning?—Oh, I’m sorry. I a lecture at Hunan Normal University.
#100656
A
give
B
am giving
C
will give
D
will be giving
Mr. Green stood up in defense of the 16-year-old boy, saying that he was not the one_______.
#99283
A
blamed
B
blaming
C
to blame
D
to be blamed
Boys and girls, make sure you ______ your names on the test paper before handing them in.
#101275
A
wrote
B
write
C
will write
D
had written
Large quantities of information as well as some timely help ___________ since the organization was built.
#100458
A
has offered
B
had been offered
C
have been offered
D
is offered