________is very useful ________ a foreign language.

A. It; to learn

B. It; learning

C. This; to learn

D. That; for learn

The drink is ________ delicious ________ I enjoy it very much.

A. too; to

B. so; that

C. such; that

D. enough; to

In front of the house ________ two tall trees.

A. is

B. stand

C. is standing

D. stands

Don't be afraid of asking for information ________ it is needed.

A. when

B. after

C. although

D. unless

He was so tired that he fell asleep ________ he went to bed.

A. as if

B. even though

C. ever since

D. as soon as

Do you know ________ the population of Shenyang?

A. what is

B. how much is

C. what are

D. how many are

Jerry, with his parents, ________ his grandparents on Sundays.

A. visits

B. is visiting

C. have visited

If ________ tomorrow, we'll go to the park.

A. it is rainy

B. it rains

C. it doesn't rain

D. it isn't rain

?Could you please tell me ________ ?

?Go upstairs and turn left.

A. what is the teacher's office

B. what the teacher's office is

C. where is the teacher's office

D. where the teacher's office is

I like to live in a house ________ is big and bright.

A. that

B. who

C. how

D. why