If we _________ the earth, we must take action before it is too late.
#101505
A
will save
B
are to save
C
are about to save
D
are saving
推荐题目
The pen well, so it ___ well.
#101517
A
is written, is sold
B
is writing, is selling
C
is written, sells
D
writes, sells
—Who do you think will get the first prize? —Mary, of course. She ________ for the competition for months.
#100967
A
is preparing
B
was preparing
C
has been preparing
D
had been preparing
Tom was badly injured in the accident last week. A new manager____ to take his place since then.
#99361
A
has been arranging
B
has arranged
C
was arranged
D
has been arranged
—You've got your flat furnished, haven't you?—Yes. I some used furniture at the Sunday Market and it was a real bargain.
#99931
A
will buy
B
have bought
C
had bought
D
bought
— Why weren't you at the meeting? — I ________ for a long distance call from my sister in America.
#104515
A
was waited
B
was waiting
C
has waited
D
have been waiting