My parents ___________ the airport this morning.
| A．have left to | B．left to | C．have left for | D．left for |
Good books are like wise friends, because _____ support you to walk forward and help you understand the world.
| A．they | B．their |
| C．them | D．themselves |
For many western people , they drink cold water even _____ winter.
| A．on | B．for | C．at | D．in |
It’s not good for us ________ late for class．We should be on time．
| A．be |
| B．to be |
| C．arrive |
| D．arrive to |
—What do you usually do in the evening？
—Well，I either watch TV ________ play games with my brother．
| A．and |
| B．but |
| C．or |
| D．so |
I like dogs．They are very ________．They are our ________．
| A．friends；friendly |
| B．friendly；friends |
| C．friend；friendly |
| D．friendly；friend |