831. Ôn tập

I ________ (never/ be) to Canada.

• was never

• never has been

• have never been

• never was

You __________ take the dog for a walk. I'll do it later.

• mustn't

• can

• don't have to

• should

My grandmother ________ science fiction books yesterday

• Read

• to read

• readed

• reads

I ...... my exercise last night

• do

• did do

• didn't do

• am doing

This is ___ (cheap) option available.

• cheaper

• cheapest

• the cheapest

My cat is ___ (small) than your dog.

• smaller

• smallest

• small

My sister ___ (visit) her friend tomorrow.

• visits

• visited

• will visit

• is visiting

There is ___ elephant in ___ zoo.

• A / the

• An / a

• The / an

Sorry, but when you called I ______ a shower.

• • a. had

• • b. did have

• • c. was having

• • d. were having

______ Japan?

• • a. Have you ever gone in

• • b. Do you have been in

• • c. Have you ever been to

• • d. Have you ever been into