I visit a new country every year. By the time I______ ___ fifty, I__ almost all the countries in the world.
A.will be - will visit
B.was - had visited
C.am - will have visited
D.am – visit

In a few hours, we ______ the test, and we’ll go home and rest.
A.are finishing
B.have finished
C.will have finished
D.will be finishing

In one year’s time, she___ in this company for 15 years.
A.will be working
B.will have been working
C.will work
D.has worked

Hurry up or the train __ before you can catch it.
A.will leave
B.leaves
C.will have left
D.
has left

By the time we reach New York on Friday, we______ over 6 hours traveling.
A.will have spent
B.will be spending
C.have spent
D.will spend

The line that divides North and South Korea is the most ____ armed border in the world.
A.formerly
B.kindly
C.truly
D.heavily

It doesn’t matter ____ Sue tries, she still can’t pass the driving test.
A.how far
B.how hard
C.Ø
D.how good

Do I have to wear a suit and tie or can I dress more ____?
A.casually
B.unofficially
C.naturally
D.loosely

By the end of this month, I __ for this company for two years.
A.have been working
B.will have been working
C.will be working
D.will work

By the time I come back, you __your assignments.
A.will finish
B.will be finishing
C.have finished
D.will have finished