Not only ______ polluted but ______ crowded.
#98049
A
was the city; were the streets
B
the city was; were the streets
C
was the city; the streets were
D
the city was; the streets were
推荐题目
---Allen said something hard to understand at the conference. ---Yes, her remarks left me _______ about her real purpose.
#94299
A
wondering
B
to wonder
C
having wondered
D
wondered
Unless ________ to speak, you should remain silent at the conference.
#95045
A
invited
B
inviting
C
being invited
D
having invited
___ the invention of the steam engine, the industrial revolution played a vital role in human history．
#95687
A
Originating in
B
Originated in
C
To originate in
D
Being originated in
The meeting ________ now is of great importance.
#97708
A
being held
B
to be held
C
held
D
is being held
.The dying old man opened his mouth as if ___ something.
#98872
A
to say
B
saying
C
to have said
D
was saying.