—Who is playing the piano in the music room? Is it Mary?
—No, it ________ be her. She has ________ to Beijing on business.
| A． |
couldn’t; been |
B． |
can’t; gone |
C． |
can’t; been |
D． |
mustn’t; gone |
The children stood in ______ circle and danced to music．
| A．a | B．an | C．the | D．／ |
—The meeting will begin at 3 p.m. ________ be late.
—All right.
| A．Don’t try to | B．Try not to |
| C．Try to not | D．Don’t try |
—Are they ________ animals?
—Yes, there are few of them in the world now. We should protect them.
| A．spotted | B．aggressive |
| C．playful | D．endangered |
—Why do you like that band?
—Because they play ________ their own songs.
| A．mostly | B．strongly | C．possibly | D．Hardly |
—What’s electricity?
—It’s a form of energy _______ we use in our daily lives.
| A．who | B．which | C．where | D．Whose |