An e-mail address consists _______letters and dots and the symbol‘@’.
| A．in | B．of | C．for | D．with |
Although he failed this time, he didn’t give up and ＿＿＿__ studying hard.
| A．stopped | B．continued |
| C．succeeded | D．finished |
---- Do you know the man ________ visited the Singapore in February?
----Yes. He is Mr Li. He said it was his _______ visit to the United States.
A. who; fifth B. that; five
D. /; five D. which; fifth
---- Could you please tell me _______?
---- Yes. They are playing in the park.
| A．where are the twins | B．where the twins were |
| C．where were the twins | D．where the twins are |
There goes the bell. Hurry up, _______ you’ll be late for class.
| A．and | B．or |
| C．so | D．but |
---- Look! A man is cutting a tree on the moon.
----It ______ be true. The teacher said there is no air on the moon.
| A．can’t | B．may not |
| C．shouldn’t | D．mustn’t |