. Several weeks had gone by ________ I realized the painting was missing.
| A．as | B．before | C．since | D．when |
I don’t doubt ________ the plan will be well-conceived.
| A．that | B．whether | C．why | D．when |
— Let’s go to a place _______ we can make a round—trip in one day?
—What about one _______ we can climb and swim?
| A．to which; where | B．where; where | C．where; in which | D．in which; where |
The employers often give the job to _______ they believe have work experience with a strong
sense of duty.
| A．whoever | B．whomever | C．who | D．those who |
— Oh, life is so boring!
—Please don’t think so . I suppose you’ve come to the point _______ a change is needed.
| A．where | B．when | C．which | D．as |
Asia has achieved more in controlling the bird flu than Europe in the past few years, _______
the number of people infected with the virus is going up sharply.
| A．when | B．that | C．so that | D．where |