Before you______, don't forget to lock the door.
- are leaving
- will leave
- leave
- shall leave
Please do not speak to anyone before the police______.
- come
- are coming
- 'll come
- came
His parents will be very glad if she______the university.
- enter
- 'll enter
- enters
- entered
. When you______my brother, you______him.
- 'll see, won't recognize
- see, won't recognize
- saw, recognize
- 'll see, don't recognize
We won't discuss the matter until the headmaster______.
- 'll arrive
- won't arrive
- doesn't arrive
- arrives
. If I______any help I______my friend.
- need, 'll phone
- 'll need, 'll phone
- 'll need, phone
- needed, 'll phone
Let's______before it______raining.
- to go out, starts
- go out, starts
- go out, 'll start
- going out, 'll start
. If you______on this tram it'll take you to the downtown.
- 'll get
- have got
- got
- get
I don't know when they______.
- will come
- come
- came
- are coming
. We'll make a good progress in English provided we ______hard.
- will study
- are studying
- study
- won't study
You'll have to make a speech in case the chairman ______late.
- will be
- is
- isn't
- won't be
Don't trouble trouble until trouble______you.
- 'll trouble
- won't trouble
- troubles
- trouble
When I______short of money I ask my parents for help.
- was
- are
- is
- am
He'll be fired if he______improve his work.
- doesn't
- will
- won't
- has to
If he______well, he'll always be tired.
- sleeps
- doesn't sleep
- will sleep
- won't sleep