We are going to visit some big cities ______ the summer holiday.
| A．with | B．for | C．during | D．on |
The________often cat grass on the hill．
| A．chicken |
| B．horse |
| C．cow |
| D．sheep |
You can see an________in the zoo．
| A．tiger |
| B．elephant |
| C．giraffe |
| D．panda |
—I think recycling books and paper is useful．
—________
| A．I quite agree． |
| B．I have no idea． |
| C．We shouldn’t use such things． |
| D．That’s a great idea． |
—Where is David?
—I think he________Australia．
| A．has gone to |
| B．has been |
| C．has gone |
| D．has been to |
—Have you packed the camera yet?
—Yes，of course．I________it last night．
| A．have packed |
| B．was packed |
| C．packed |
| D．had packed |