Never visit strange websites, ________ the thieves may crack(破译)the password of your Internet account.
| A．or | B．and |
| C．but | D．so |
—There are 60 students in my class and 44 of them use weibo veryoften.
—44? That means about_______of your classmates are weibo users, right?
| A．half | B．one third | C．two thirds | D．three quarters |
—______did Prince William's wedding（婚礼） last?
—It lasted for about 5 hours.
A. How far b. How long C. How soon D. How often
When you read, don't________every new word in the dictionary. Try to guess its meaning.
| A．lookup | B．work out | C．makeup | D．give up |
Zhu Zhiwen’s never been to Hongkong, _______?
| A．is he | B．isn't he | C．has he | D．hasn't he |
By the year 2015, all of China's museums will be free to enter. We_______visit anymuseum without paying.
A. can b. need C. must D. should