--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
Greatly moved by the movie, __________.
#85992
A
tears came to the audience’s eyes
B
the audience could hardly hold back tears
C
tears could hardly be held back
D
the audience’s eyes were filled with tears
We all feel it is Jack as well as his wife that_______for their son’s bad performance at school.
#86215
A
are to blame
B
is to be blamed
C
are to be blamed
D
is to blame
All the employees except the manager ________ to work online at home.
#85662
A
encourages
B
encourage
C
is encouraged
D
are encouraged
The number of people invited _____ fifty, but a number of them ____ absent for different reasons.
#85932
A
were; was
B
was; was
C
was; were
D
were; were