Life will be destroyed ____ all our sources
a. as long as b. unless c. if d. whether
____ we can find new sources of energy,our life come to an end
a. unless b. when c. if d. b or c
_____ you phone me when you come to England?
a. do b. have c. will d. would
Unless we hurry,we’ll ____ the bus
a. miss b. remember c. catch d. get in
If you stay up late the previous night,you _____ sleepy the next morning a. feel b. t feel c. feels d. will feel
Will you go to see the doctor if you ______ a headache?
a. has b. will have c. having d. have
Unless you _____ smoking your health won’t get worse
a. continue b. continued c. are continuing d. will continue
He won’t speak English ______ he goes to England
a. when b. if c. unless d. which
If you're not carefully,you will ______ it
a. spoiling b. spoil c. be spoiled d. to spoil
If Mrs Laura Taylor _______ 5 years younger,she would walk round
a. was b. is c. had been d. were
If you ______ hard,you will pass the exam
a. study b. studied c. will study d. would study
He will not learn much ______ he work harder
a. if b. unless c. as d. because
If I were him I ______ smoking
a. will stop b. stopped c. would stop d. shall stop
If he ______ early,he’d get to work on time
a. got up b. gets up c. get up d. has got up
_______you _______your dinner if your mother was will?
a. will …cook b. will cook c. would cook d. would … cook
I’d tell you if I ______ the answer
a. know b. knows c. knew d. will have known
If we had more time,we _____ for a picnic
a. will go b. would go c. went d. will have gone
What ______you ______ if your father gave you $200?
A. will …buy b. will buy c. would … buy d. would buy
If you _______ ,you be late
a. not hurry b. won’t hurry c. doesn’t hurry d. don’t hurry
1.If
2.If
3.If
4.If
5.Unless
Put “if” or “unless” into these spaces.
1/ ___Unless_____ we hurry, we’ll miss the bus.
2/ Will you phone me ____if____ you come to England ?
3/ ____If____ you see Jane, ask her to contact me.
4/ You’ll never pass your exam ___if_____ you don’t work harder.
5/ Liverpool won’t win ____if____ they begin playing better.