We won't give up ________ we should fail ten times.
| A．even if | B．since | C．whether | D．until |
Electricity, like other forms of ______, has greatly increased in price in recent years.
| A．pressure | B．force | C．strength | D．energy |
—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 |