House prices vary from place to place and are usually high ____ there are famous schools.
| A．since | B．when | C．whether | D．where |
Alice is stubborn, as you know. She trusts you and only you can ______ her to give up the foolish idea.
| A．hoped | B．suggest | C．persuade | D．make |
The teacher told us that light ______ faster than sound.
| A．traveled | B．had traveled | C．is traveling | D．travels |
If better use is ______ of your spare time, you will make still greater progress in it.
| A．spent | B．made | C．taken | D．thought |
This is her only request that the room ______ after being used.
| A．be cleaned | B．is cleaned | C．will be cleaned | D．would be cleaned |
— I don’t know ______ Mr. Green will come to see us.
— He will help us with our English.
| A．why | B．when | C．how | D．where |