Fred entered without knocking and, very out of breath, sank _______ a chair.
| A．on | B．off | C．into | D．to |
Jenny was bending over a desk, her tongue sticking out slightly, _____ in the pain of composition.
| A．having absorbed | B．absorbed |
| C．being absorbed | D．absorbing |
_____on the grass _____singing and laughing.
| A．Seated ; is some students | B．Seated ; are some students |
| C．Sitting ; is some students | D．Sitting ; some students are |
--Is the book Dream of the Red Chamber well worth _____?
---Yes, I think so, but I can’t make _____of it completely.
| A．being reading; sense | B．reading ;significance |
| C．being read; difference | D．reading; sense |
Tom likes driving and he ______drive his car to the party, but I’m not quite sure about it yet.
| A．can | B．shall | C．must | D．may |
--- Peter, do you know who____ my dictionary ?
---Sorry , I don’t know . I didn’t do it .
| A．has taken away | B．was taking away |
| C．had taken away | D．is taking away |