-Do you mind _____alone at home?
-No, but I want a good book_______.
| A．leaving; to read | B．to be left; reading |
| C．to leave; reading | D．being left; to read |
---May I try on this green skirt?
---______, but I’m afraid the color is not quite suitable for you.
| A．By all means | B．Never mind | C．My pleasure | D．Forget it |
When first ______ to the market, these new products in their company enjoyed a great success.
| A．Introducing | B．introduced | C．to introduce | D．being introduced |
--- Do we have to hand in our research reports this afternoon, Professor Smith?
--- Yes, you _______ . I will be waiting to check them all the afternoon.
| A．should | B．may | C．can | D．must |
The young couple had a quarrel last night and neither of them would give in to ______.
| A．the other | B．another | C．one | D．either |
In the rice-growing world, ______ Chinese scientist, Yuan Longping, is ______ leading figure.
| A．a; the | B．the; a | C．a; a | D．the; the |