Trắc nghiệm Anh 7 đề 11

It's really difficult to ___ a bieycle up the hill.

You found the plot of the film ___

The horse swished , ___ tail to keep flies away.

The mother cat and ___ kittens napped in the sunshine.

Is ___ the most serious problem?

I will present ___  idea to the company tomorrow.

Every day over1,000 new cars add to the city and the city of over 20 million people is getting more ___ .

I want to find ___ key. I cannot go home without it.

___ car is so dirty, so I can't even tell what color it is.

How many people are there in ___ family?