The bag is ____ as the red one.
| A．twice as heavy | B．as twice heavy | C．as heavy twice | D．twice heavier |
Judging from his______ expression, this problem must be quite ______.
| A．puzzling; puzzling | B．puzzled; puzzled |
| C．puzzling; puzzled | D．puzzled; puzzling |
Listen! Do you hear someone _____ for help?
| A．calling | B．call | C．to call | D．called |
--How is your cousin, Kate?
--She broke her leg and ______ medical treatment since.
| A．is receiving | B．has received |
| C．received | D．has been receiving |
--Mom, may I play computer games just for a while?
--______! Dad is writing his paper.
| A．Help yourself |
| B．It's up to you |
| C．Go ahead |
| D．Behave yourself |
It took ______ building supplies to construct these energy saving houses. It took brains, too.
| A．other than | B．more than |
| C．rather than | D．less than |