What ________ the weather ________ like tomorrow?
| A．is; going to | B．is; \ | C．is; going to be | D．is; be |
It is impossible for humans to live on the moon_______ there is no water_______ air there.
| A．so; and | B．because; and |
| C．if; or | D．because; or |
Which underlined letters of the words have a different sound?
| A．start | B．quarter |
| C．far | D．arm |
He is_______ to buy_______ for his parents.
| A．rich enough, enough present |
| B．enough rich, enough presents |
| C．rich enough, enough presents |
| D．enough rich, presents enough |
I just don't know_______ myself.
| A．to buy what for | B．what to buy for |
| C．what to buy to | D．to buy what to |
This pair of shoes looks nice. Can I_______?
| A．try it on | B．try on it |
| C．try them on | D．try on them |