61.Just use this room for the time being, and we’ll offer you a larger one_______ it becomes available.
A. soon as
B. unless
C. as far as
D. until
62._______a certain doubt among the people as to the practical value of the project.
A. It has
B. They have
C. It remains
D. There remains
63.The field research will take Joan and Paul about five months; it will be a long time_______we meet them again.
A. after
B. before
C. since
D. when
64.—Do you have a
minute? I've got something to tell you.
—OK,_______ you make it short.
A. now that
B. if only
C. so long as
D. every time
65.The engineers are so busy that they have zero time for outdoor sports activities,____they have the interest.
A. wherever
B. whenever
C. even if
D. as if
66.—We got here Tuesday afternoon.
—_______ Why didn’tyou call us earlier?
A. Good luck!
B. You did?
C. It’s no surprise.
D. You arewelcome.
67.—May I borrow your book Steve Jobs?
—________you return it before Friday.
A. If only
B. Unless
C. On condition that
D. Now that
68.To such a degree ___ his boring performance that some of the audience began to feel sleepy.
A. would he go on with
B. he would go on with
C. did he go on with
D. he went on with
69.—_______no ad during TV plays.
—Great move! I can not to lerate those annoying ads appearing every several minutes.
A. There is said to have
B. It is said to have
C. There is said to be
D. It is said to be
70.—It's no easy task to catch a ticket on a website that receives 1 billion clicks daily. —I can't agree with you more. There_____be errors for every single step.
A. should
B. must
C. will
D. can