That is the only way we can imagine _____ the overuse of water in students’ bathrooms.
A. reducing B. to reduce C. reduced D. reduce
Don’t phone me between 7:00 and 8:00 in the evening. We _____ dinner then.
A. are having B. had C. would have D. will be having
Life in the 21st century is much better than_____ used to be.
A. that B. it C. what D. one
I’ve _____ all my papers but I still can’t find the contract.
A. looked into B. looked up C. looked through D. looked after
It ___ to me that she didn’t know I had moved into the new house.
A. appeared B. occurred C. happened D. broke
It was three o’clock in the afternoon _____ a villager telephoned to tell me the surprising discovery of an ancient tomb.
A. that B. which C. where D. when
