The situation will become worse and worse ________ the government takes actions to protect the environment.
| A．if | B．unless |
| C．though | D．until |
—I’ll go on a visit to Mount Huang.
—____
A. Thank you. B. Have a good trip! C. Never mind.
The old man lives ____ but he doesn’t feel ____.
A. lonely; alone B. alone; lonely C. lonely; lonely
Li Lei isn’t ____ Liu Ming.
A. tall as B. as taller as C. as tall as
His mother gets up at 6:00 a. m. every day. She is used to ____ early to make breakfast for the family.
A. get up B. getting up C. gets up
—John isn’t happy today. Let’s go and ____.
—Good idea.
A. cheer up him B. cheer him up C. to cheer up