--Why does the lake smell terrible? ---Because large quantities of water ______.
#85773
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
推荐题目
Knowing how to think clearly and how to speak correctly ________ one confidence.
#85629
A
give
B
has given
C
have given
D
gives
Can you believe neither Amy nor Helen from English-speaking countries though they speak English so well?
#85535
A
comes
B
come
C
are
D
goes
The number of people invited to the party ____ fifty, but a number of them ____ absent for different reasons.
#85712
A
were; was
B
was; was
C
was; were
D
were; were
The number of people invited ______ fifty, but a number of them ______absent for different reasons
#85927
A
were;was
B
was;was
C
was;were
D
were;were