— Can I have a day off tomorrow, Mr. Johnson?
— ________. I can manage without you.
| A．Forget it. | B．I’m afraid not. |
| C．It depends. | D．Of course. |
— Can I help you?
— Do you have any of Michael Jackson's CDs ? I would like to buy _____.
| A．it | B．one | C．that | D．those |
Tens of thousands of trees _____ in the area in the past few years.
| A．have been planted | B．were planted | C．have planted | D．had planted |
— I'm wondering why the visitors chose to stay with the host family.
— _____real local life.
| A．Experiencing | B．Experience | C．To experience | D．Having experienced |
How long do you think it will be _____ we can find a new water source?
| A．after | B．before | C．when | D．since |
High up in the mountains _____ a quiet small village, with only 20 households.
| A．surrounds | B．locates | C．lies | D．lays |