30．When he came back, he found the bag he had________over the seat was gone.
| A．left to hang | B．left hanging | C．to leave hung | D．to leave hanging |
Anyone _______ wants to learn something can sign up for the online courses.
| A．which | B．who |
| C．whose | D．whom |
Tell Mary there is someone __________ for her at the door.
| A．wait | B．to wait |
| C．waiting | D．waited |
I like _______ color of your handbag. It is ______ good match for your dress.
| A．a; 不填 | B．the; a |
| C．the; 不填 | D．a; a |
Strong winds _______ the rain.
| A．accomplish | B．account |
| C．accommodate | D．accompany |
You can easily _______ this question if you study British history.
| A．clarify | B．classify |
| C．clear | D．circulate |