My friend and I always keep ...... touch by mail. When I get a letter, I usually write…. immediately.
A.off / upon
B.on / about
C.in / back
D.by / to

I can go…. my own. You needn’t come…. me.
A.on / with
B.though / about
C.up / over
D.for / to

At first I was very angry….. his behaviours but later when he apologized.... doing like that I forgave him.
A.in / from
B.at / for
C.on / in
D.of / with

By December next year, we____ in this house for twenty years.
A.will have lived
B.
have lived
C.will live
D.had lived

In general, by the second year of production, the price of a few technologies___significantly.
A.will decrease
B.will have decreased
C.has decreased
D.will have been decreased

I expect your Chinese ___a great deal by the time you ___back from China.
A.has been improving - have got
B.
will have improved - get
C.had improved - would get
D.
improves - will be getting

We all hope that the dispute_______ by the end of the month.
A.was going to settle
B.will have been settled
C.had been settled
D.is supposed to settle

If we ___working at this rate, we________ all the invitations into the envelopes by 5 o’clock.
A.are keeping - will put
B.have kept - will be putting
C.kept - were to put
D.keep - will have put

“I suppose your report isn’t ready yet.” “Don’t worry. I ____ it by tomorrow.”
A.will have been finishing
B.will be finishing
C.am finishing
D.
will have finished

“Well, I first came here last June.” “So by the end of May, you _____ with us for almost a year.”
A.will have working
B.are going to have worked
C.will have been working
D.will work