It seems very difficult to ________ the child crying. Please take him to his mother.
A. stop B. keep C. make
Digital cameras are becoming very popular, though some still ________ too much.
A. payB. costC. spend
– Is your brother playing computer games, Nick?
– He ________ do that because the computer doesn’t work.
A. mustn’tB. shouldn’tC. can’t
– ________ you work hard, you won’t make progress in your study.
– I will, Miss Li.
A. IfB. UnlessC. Though
The movie was ________. I fell asleep half way through it.
A. interestingB. scary C. boring
– ________ do you exercise?
– I used to exercise every day, but now I exercise twice a week.
A. How oftenB. How soonC. How long
