What does she usually do _________ her free time?

The ...... friendly products are designed not to harm the natural environment.

He laughed.............when he was watching “Tom and Jerry” on TV.

We spent half a year _____ this hotel.

These quick and easy _______ can be effective in the short term, but they have a cost.

Glenda…………..extremely hard when she was a student.

My mother told me __________ hard.

What does your brother . . . . . . . . . . . . . . ?

...........I came to see her yesterday, she was reading a book.

John: What an attractive hair style you have got, Mary!

Mary: _____________

That girl tried to avoid _______ some of my questions.

She can't stand _____ her at home all day.

Doctors _____ a cure to AIDS yet.

You must do your homework more ……. in the future.

The books ___________ have been read by the students should be put on the shelf.

You should ……. early if you want to do morning exercise.  

She suggested ___________ the night away from home.

What should you consider before _________ for an exercise class?

I like my work because I have the ______ to make my own decisions.

Concord used to be _______ passenger plane in the world.

Minh wishes he_________ a new bike.