Câu hỏi: Do you know that ________ longest river in ________ world is ________ Nile?

A. the/the/the

B. a/the/the

C. x/the/a

D. the/the/x

Câu 1: You must have forgotten to send the email, ________ there’s nothing in my inbox.

A. because of

B. for

C. due to

D. owning to

Câu 2: I needn’t have watered the garden because it came down in torrents after that.

A. If only I had watered the garden before it came down in torrents.

B. It’s a pity I had watered the garden before it came down in torrents.

C. I regret having watered the garden before it came down in torrents.

D. If it had came down in torrents, I wouldn’t have watered the garden.

Câu 3: Learning the language in the country in which it is spoken is, of course, a________ more effective and faster process than studying in your own country.

A. lots

B. far

C.  so

D. very

Câu 4: The students complained that the teacher was inexperienced. 

A. The teacher was popular despite his inexperience.

B. The teacher was favored because of his inexperience.

C. The students praised the teacher for his inexperience.

D. The teacher was not supported for his inexperience.

Câu 5: New sources of energy have been looking for as the number of fossil fuels continues to decrease.

A. New sources

B. been looking

C. fossil

D. continues

Câu 6: As ________ in Greek and Roman mythology, harpies were frightful monsters that were half woman and half bird.

A. description

B. describing

C. to describe

D. described