By the time I return to my country, I___ away from home for more three years.
A.will be
B.will have been
C.has been
D.was

By December Tim______ enough money to buy a mountain bike.
A.saves
B.will save
C.has saved
D.
will have saved

I___the homework by the time you come back.
A.will finish
B.have finished
C.finish
D.will have finished

I____ until 8 o’clock, so call me after that.
A.am sleeping
B.sleep
C.will be sleeping
D.have slept

“When is your math exam?” “Well, this time tomorrow I _____ for it.”
A.will be sitting
B.will sit
C.will have been sitting
D.sit

Watch out, or you____ off the boat!
A.will fall
B.are falling
C.fell
D.won’t fall

"Who volunteered to pick up the pizza for tonight’s party?” “_ ___”
A.I did. I’m going to get it.
B.
I was picking it up.
C.I did. I’ll get it.
D.
I was going to pick it up.

There’s someone at the door.____it
A.I’m answering
B.I answer
C.I’ll answer
D.I answered

His knowledge of foreign languages is wide. .... helps him a lot in his work.
A.You
B.They
C.It
D.He

Peter earns more money than.... do.
A.I
B.me
C.myself
D.mine