Whatever is left over may be put into the refrigerator，__________ it will keep for two or three weeks.
| A．when | B．which |
| C．where | D．while |
—Hello, I’d like to speak to Henry.
—Oh, which _______? There are two ______ in our office.
| A．Henrys, Henrys | B．Henries, Henries |
| C．Henry, Henrys | D．Henrys, Henries |
Jim was late for two classes this morning. He said that he forgot both of the ______.
| A．rooms number | B．room number |
| C．room’s numbers | D．room numbers |
—How can I use this washing machine?
—Well, just refer to the _______.
| A．explanations | B．expressions |
| C．introductions | D．directions |
—Li Lin is very bright and studies hard as well.
—It’s no ______ he always gets the first place in any examination.
| A．question | B．doubt |
| C．problem | D．wonder |
You’ve just missed your ______, and you will have to wait for the next round.
| A．chance | B．turn |
| C．time | D．part |