He knows nothing about it, so he can’t help _______ any of your work.
| A．doing | B．to do |
| C．being doing | D．to be done |
Videos, recordings and other learning aids are usually used __________ textbooks in language learning.
| A．alongside | B．except for |
| C．despite | D．in comparison with |
The student always asks his teacher __________ questions.
| A．a series of | B．series of |
| C．a great deal of | D．much |
—Was it under the tree __________ you were away talking to a friend?
—Sure. But when I got back there, the bike was gone.
| A．that | B．where | C．which | D．while |
Whatever he explained, he couldn't __________ the policeman that he was innocent.
| A．confirm | B．present | C．convince | D．admit |
Hearing the news, he rushed out, ______ the bookon the table and disappeared into the distance.
| A．left; lain open | B．leaving; lying open |
| C．leaving; lie opened | D．left; lay opened |