Before the first nonstop flight made in 1949, it_____ necessary for all planes to land for refueling.
#101489
A
would be
B
has been
C
had been
D
would have been
推荐题目
–What is the theme about for the meeting this evening?. --No idea. Perhaps we will have to discuss the plan ___ a few days later.
#103074
A
carried out
B
being carried out
C
to be carried out
D
carrying out
- Why do you look so worried?- My MacBook Pro broke down and my paper______unfinished since.
#100291
A
was left
B
has left
C
left
D
has been left
—Sarah, you seem to be a little absent-minded. What’s wrong?—Oh, sorry. Actually, I of the family party this weekend. I have to make a list of what needs to be bought.
#100632
A
am just thinking
B
just thought
C
have just thought
D
was just thinking
--How long ________ in that company before you work with us?--For eight 8 years.
#100523
A
were you employed
B
have you been employed
C
had you employed
D
will you be employed
He said l5 people_______，two of them_____to hospital．
#103876
A
have injured；admitting
B
have been injured；being admitted
C
had injured；to admit
D
had been injured；admitted