| — Do you know who _____ the tomb of Emperor Qin and who _____ the mobile phone? — No, but we may ask our teacher. |
A. discovered; invented B. was discovered; was invented C. invented; discovered D. was invented; was discovered |
| Yuan Longping makes a great contribution to _______ rice. We shoud learn ______ him. |
A. growing; from B. grow; about C. grow; from D. growing; to |
| Children had ______ warm clothes to wear and _____ food to eat in the past. |
A. fewer; less B. less; fewer C. a fewer; little D. fewer; a less |
| — you your homework yet? —Yes, I it ten minutes ago. |
A. Did; do; finished B. Have; done; have finished C. Have; done; finished D. Will; do; finish |
| We are short energy and water the large population. |
A. of; because B. of; because of C. in; because D. in; because of |
| As you see, the number of cars on the roads _____ these days. |
A. keeps rising B. keep rising C. keep to rise D. keeps to rise |
| — Did you have anyone _____ the trees? — Yes, I had the trees _____. |
A. to water; water B. to be watered; watered C. water; to be watered D. water; watered |