Everyone knows fire is very useful in our daily life, it is also dangerous.
| A．so | B．or | C．because | D．but |
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. pay B. cost C. spend
– Is your brother playing computer games, Nick?
– He ________ do that because the computer doesn’t work.
A. mustn’t B. shouldn’t C. can’t
– ________ you work hard, you won’t make progress in your study.
– I will, Miss Li.
A. If B. Unless C. Though
The movie was ________. I fell asleep half way through it.
A. interesting B. scary C. boring