____ life will continue on the earth for millions of years to come will depend on _____ this problem can be solved.
| A．That; whether | B．If; how | C．Whether; whether | D．If; if |
It’s unwise of you not tohis suggestions, for he is an authority in this field.
| A．adapt | B．adore | C．adopt | D．advance |
Rachel’s explanation was so confusing that no one could make any of it.
| A．meaning | B．message | C．sense | D．information |
-What fruit is in season now?
-Pears and apples,.
| A． | I know | B． | I think |
| C． | I see | D． | I feel |
—Would you like to join me for a quick lunch before class?
— ______, but I promised Nancy to go out with her.
| A．I’d like to | B．I like it. |
| C．I don’t | D．I will |
—I apologize for not being able to join you for dinner.
—________. We’ll get together later.
| A．Go ahead | B．Not to worry | C．That’s right | D．Don’t mention it |