| It _____ Yang Liwei about 21 hours _____ the earth 14 times in his spaceship. |
A. spent; circling B. took; travelling C. spent; to travel D. took; to circle |
| The summer vacation will begin next week. David _____ to stay with us. |
A. will be coming B. comes C. came D. is coming |
| Beijing has _____ many buses that there is often a traffic jam in rush hours. |
A. so B. such C. too D. much |
| —_____ will it take us to get there by bus? —About two hours. |
A. How soon B. How often C. How long D. How quick |
| —Sandy, _____ are you going for vacation? —To Hainan Island. I prefer lying on the beach. |
A. where B. when C. what D. which |