--- Mr. Green, I think physics is too difficult for me.
---Tom, work hard, _______ you’ll find it not as difficult.
| A．or | B．but | C．so | D．and |
Why don’t you ________ your parents to help you?
| A．asking | B．asked |
| C．to ask | D．ask |
It’s important English well.
| A．learning | B．to learn |
| C．learn | D．learns |
The white shirt is as ________ as the yellow one.
| A．cheap | B．cheaper |
| C．cheapest | D．the cheapest |
Daming practises English songs every day.
| A．to sing | B．sings |
| C．sang | D．singing |
Which is ________ , the sun or the earth?
| A．larger | B．large |
| C．more larger | D．more large |