——What is Grace doing?
——She _____ in the pool.
| A．swims | B．swimming |
| C．does swimming | D．is swimming |
The lovely girl had all the flowers ____________, didn’t she?
| A．watering | B．watered | C．to water | D．water |
－Can I go to the hospital to see Grandma now?
－No, you can’t. It’s _________the visiting hours. Let’s see Grandma tomorrow. She won’t mind that.
| A．on | B．over | C．during | D．beyond |
Obama is ____________ the first black president of the USA.
A. known asB. known of
C. known for D. known to
－When shall we meet again, next Wednesday or Friday?
－____________day is OK. It’s not a problem to me.
| A．Either | B．Neither | C．Every | D．Any |
I went over what I have writ ten again and again ____________ I wouldn’t make any mistakes.
| A．such that | B．so that |
| C．in order to | D．and that |