| — Did Shirley hold the party in her new house? — No. The rooms _____. |
A. had been painted B. were being painted C. will be painting D. have painted |
| CO2 is a major cause of global warming, but the pollution natural gas causes is only 1/800 of _____ caused by burning coal. |
A. that B. it C. one D. all |
| — Here is Paul! We _____ anxiously for him since last night. — Maybe something happened to him. |
A. waited B. were waiting C. had waited D. have been waiting |
| The Qing Ming Festival, _____ festival to hold memorial ceremony for _____ dead, is coming. |
A. /; the B. a; a C. the; a D. a; the |
| — Did your football team win yesterday? — No. It was a good game, _____. |
A. too B. instead C. though D. either |
| I was just going to water my garden but someone _____ it. Was it Tom? |
A. has done B. had done C. would do D. was doing |
| — How about walking home instead of taking a bus, Tom? — Er …… I think walking home does better to us, but it takes half an hour _____. |
A. so longer B. as longer C. so long D. as long |
| _____ the danger of drunk driving, many drivers promised never to drive after drinking. |
A. Realizing B. To have realized C. Realized D. Having realized |
| — Could you please cut the price a little? — Er…_____ you buy more than ten. |
A. even if B. so long as C. in case D. as soon as |
| The medicine should usually be kept out of the _____ of children at home. |
A. distance B. reach C. limit D. arrival |