The scientists ________ on the new medicine for two years. They will succeed in no time.
#38384
A
work
B
are working
C
have worked
D
will work
推荐题目
— Could you tell me ______?— Sure. We will meet at the school gate.
#39756
A
when we will meet tomorrow morning
B
where we will meet tomorrow morning
C
when shall we meet tomorrow morning
D
where shall we meet tomorrow morning
—Simon, you look worried. What’s wrong with you?—Well, I a test and I’m waiting for the result.
#36906
A
will take
B
took
C
take
D
am taking
All the club members _______ the floor when they heard someone _______ for help.
#41802
A
swept; were shouting
B
swept; shouted
C
were sweeping; shouting
D
were sweeping; shouted
— Tom, is your brother a member of the Swimming Club? —Yes. He _________ it for five years.
#41665
A
has joined
B
has been in
C
joined
D
has joined in