______ can you expect to get a pay rise.
| A．With hard work | B．Although work hard |
| C．Only with hard work | D．Now that he works hard |
The operation room in every hospital has to _______bacteria of any kind so that the patient being operated on doesn’t get infected.
| A．keep free from | B．make it free from | C．to be made free with | D．be kept free from |
The father has been ____ for many years in order that his only son can be ____ with higher education.
| A．fighting; served | B．struggling; equipped |
| C．working; offered | D．laboring; received |
People often make a mistake about my nationality. I was born of Chinese parents , _____, I look ______ but I was born and grew up in America, so I am an American.
| A．however; Chinese | B．therefore; Chinese |
| C．so; the Chinese | D．therefore; a Chinese |
The book, which ______ for children under 10 when ________, are popular with adult readers.
| A．intended; written | B．was intended; being written |
| C．intended; writing | D．was intended; written |
When forbidden to surf the Internet, teenagers often _____ surfing it, saying that it provides them with colorful entertainments, a convenient means of communication as well as useful information
| A．argue about | B．argue with | C．argue for | D．argue against |