The scientist is very modest. He never______.
| A．show off | B．shows on |
| C．shows off | D．show on |
Tom enjoys ______ TV at night.
| A．watches | B．watch | C．watching | D．watched |
Bill often makes us ___________, so we all like him.
| A．laugh | B．to laugh | C．laughed | D．laughing |
--Can you come to his birthday party? --- ____ .I have a flu.
| A．Yes. I'd love to | B．Sorry, I can't |
| C．Yes, I can | D．Sure |
Xu Xia and her classmates are _______ the US next week.
| A．leaving for | B．leave for | C．to | D．left |
The weather in Beijing in summer is ___than that in Shanghai.
| A．cool | B．much cooler | C．hot | D．much hoter |