Drivers must stop when the traffic lights _____ red．
#99314
A
turn
B
will turn
C
turned
D
were turning
推荐题目
I know Mr. Brown; we ______ to each other at an international conference.
#104101
A
are introduced
B
are been introduced
C
were introduced
D
had been introduced
---Where is the manager? I have something important to discuss with him. --- He is at the airport now. He _________ for Beijing.
#101485
A
has left
B
leaves
C
left
D
is leaving
By the time my parents reached home yesterday, I _____ the dinner already.
#103615
A
had cooked
B
cooked
C
have cooked
D
was cooked
The factory used 65 percent of the raw materials,the rest of which saved for other purposes.
#99628
A
is
B
are
C
was
D
were
With more forests being destroyed in that area, huge quantities of land _______ deserts each year.
#101306
A
has been turned into
B
had been turned into
C
is being turned into
D
are being turned into