Listening attentively in class and reviewing in time _______ a sure way to improve your learning, and this is especially true _______ it comes to standard tests.
| A．is, when | B．are, when | C．is, while | D．are, as |
—Good morning. Can I help you?
—d like to have this package __________.
| A．be weighed | B．to be weighed |
| C．to weigh | D．weighed |
I was disappointed to find his suggestions __________.
| A．been turned down | B．turned down |
| C．to be turned down | D．to turn down |
Seeing the sun __________ above the surface of the sea, we let out a shout of joy.
| A．to rise | B．to raise | C．rising | D．raising |
He looked around and caught a man __________ his hand into the pocket of a passenger.
| A．put | B．to be putting |
| C．to put | D．putting |
I found the door __________ when I got home.
| A．opened | B．close | C．unlocking | D．open |