________ cold, he covered his blanket, _____ only his arms _____ .
| A．Felt, left, uncovered | B．Feeling, left, uncovered |
| C．Feeling, leaving, uncovered | D．Felt, left, uncovering |
Though some foreign scientists had a ______ opinion of his new invention, his fellow workers never thought ____ of it.
| A．highly; low | B．low; high |
| C．high; highly | D．poor; highly |
_____ people who buy IBM PC686 is larger than ever before.
| A．A lot of | B．A number of |
| C．A great many | D．The number of |
The poor boy is in danger. We should do all we _____ help him out.
| A．can do | B．can to | C．can to do | D．can |
Nobody but you _____ able to sing that American song.
| A．are | B．were | C．is | D．can be |
-----Have you _____ everything ready for the meeting?
----- Not yet, we need ______.
| A．got; another three chairs | B．got; more three chars |
| C．prepared; other three chairs | D．prepared; three another chairs |