---What do you think of your parents?
---They always let me do ________ I think I should do.
| A.when | B.that |
| C.how | D.what |
The little boy who got lost decided to remain ________ she was and wait for her mother.
| A.what | B.how |
| C.who | D.where |
We can’t figure out ______ quite a number of insects and birds are dying out.
| A.that | B.as | C.why | D.when |
His writing is so confusing that it’s difficult to make out _______ it is that he is trying to express.
| A.that | B.how | C.what | D.who |
Today impressionist paintings are accepted at the beginning of ____ we call “modern art”.
| A.what | B.which | C.that | D.how |
He hasn’t decided _____ he will go abroad next year.
| A.whether | B.when |
| C.where | D.why |
Mr. Frank asked me I could go with him to he called the Treasure House the next week.
| A.that; which |
| B.whether; that |
| C.whether; wha |
| D.that; where |
—Could you give me some advice on getting a job?
—First, find out ______ you like doing best.
| A. what | B.which |
| C.how | D.why |
Every Monday, my English teacher would cheerfully ask me _______ my weekend had been.
| A.that | B.if | C.what | D.how |
A person who has never tasted bitter won’t know ______ sweet is.
| A.which | B.what | C.when | D.why |
It’s been discovered in the study ______ people are more relieved after forgiving others.
| A.that | B.what | C.which | D.whose |
We can’t figure out ______ quite a number of insects and birds are dying out.
| A.that | B.as | C.why | D.when |
Spending a few hours learning about the history and culture of the destination will help tourists understand they're seeing
| A.what | B.where |
| C.that | D.why |
Tony couldn’t remember ______he had turned off the computer before he left the office.
| A.that | B.where |
| C.when | D.whether |