| One ______ of the students in our class ______ schoolgirls. |
A. third, is B. quarter, are C. fifths, are D. sixth, is |
| We believe scientists will ______ a way to solve the problem of air pollution. |
A. set off B. put off C. come up with D. catch up with |
| —Inside a box there are six smaller boxes, and inside each small box are six much smaller boxes. How many boxes altogether? —________. |
A. Thirty-six B. Thirty-seven C. Forty-three D. Forty-two |
| Thanks a lot for ______ me ______ your party. |
A. invite; for B. invite; to C. inviting; for D. inviting; to |
| I have to study ______ my science test ______ Thursday afternoon. |
A. at; on B. on; for C. for; in D. for; on |
| My brother and I have _____ to do every evening. |
A. a lot of homeworks B. lot of homework C. lots of homeworks D. a lot of homework |