—Do you know sound travels very fast? 一Yes. But light travels _________ sound.
How much time do you surfing the Internet?A. take B. spend C. cost
Reading every day can make you . .A.became a superstar B.getting clever C.become knowledgeable
The cat is very cute, ?A. is it ? B. isn’t it? C. is the cat
Nobody has the right to laugh at others he is right.A.until B.though C.if
Between the two hills there _____ a deep river. A. are B. has C. is