1.      Why does Nguyen does everything ________ from his classmates. (different)

1.      Our children are doing the ___________work over there. Let’s help them. (volunteer)

2.      He writes __________________ stories for teenagers.                          (humor)

3.      My little sister is such a pleasant,______________________ girl.         (help)

4.      Next week , my friend , Lan  will go to the USA for_______________.           ( emigrate )

5.      Who was the______________________of the first telephone ?             ( invent )

6.      Newspaper________________provides us with a lot of information ,.  ( helpful )

7.      Did you ___________________ solving the problem this morning?                   (success)

8.      A strong __________________is one who is not afraid of listening to people. ( lead )

9.      Alexander Graham Bell _____________the telephone in 1876. (invent ).

10.      Mary steamed a fish in a ____________________. (STEAM)

11.      Ask an ___________ for advice on how to repair the water pipes. (ELECTRIC)

The senator  ____________ (make) a speech when people ___ (start) to throw eggs at him.

The Browns ___________ (drive) in their new car when it ____________(start) to rain.

A burglar ____________ (break) into the house while Molly and Dan____________ (play) video games

1.         I ____________________ forget to take my pens and pencils with me.

2.         You _____________________ introduce me to her. I’ve already known her.

3.         Drivers ____________________ drive very fast in the city center.

4.         You __________________ go to the concert if you don’t want to.

5.         In order to be a good student, you __________________ be so untidy and lazy.

You are not allowed to touch that switch.

àYou ………………………………………………………………………(MUST)

It’s not necessary for her to do the shopping today.

She ………………………………………………………………………….(HAVE TO)

Nam took engineering because of his uncle’s advice.

Because……………………………………………………………………….

Lan studied late at night because she had a lot of housework to do.

Because of ……………………………………………………………………….

I didn’t go to the party because of the long assignments.

Because …………………………………………………………………………

6. Each of the rooms …………a different color.

a. have                         b. has                           c. have had                  d. are having

We were extremely busy last summer. We could not take a holiday.

→ We didn't have ________________________________________________________________________

5. The milk is very hot. Mary cannot drink it quickly.

→ The milk is not ________________________________________________________________________

6. I can’t go to the gym nowadays because I’m very busy with my new website.

→ I don't have enough ____________________________________________________________________

7. Your bag was extremely heavy, so I couldn't pick it up. 

→ Your bag was not ______________________________________________________________________