That is the only way we can imaginethe overuse of water in students' bathrooms.
| A． | reducing | B． | to reduce | C． | reduced | D． | reduce |
. Let’s take _____ ten-minute break and have _______ drink of water.
| A．a; a | B．the; the | C．the; a | D．不填；the |
He _______ us that everything would go according to plan, but it turned out a failure.
| A．suggested | B．demanded | C．ordered | D．guaranteed |
. His sister left home in 1998, and_______since.
| A．had not been heard of | B．had not heard of |
| C．has not been heard of | D．has not heard of |
. The weather in Beijing in winter is colder than_______ in Fuzhou.
| A．one | B．it | C．that | D．what |
Although _____ to stop, he kept on working.
| A．was told | B．telling | C．having told | D．told |