【推荐1】_________you've tasted it, you can't imagine how delicious the dish is.

A．Though

B．However

C．Unless

D．If

【推荐2】________ Aron has lost his right arm,he never gives up his dream to climb mountains.

A．Since

B．Although

C．Unless

D．If

【推荐3】—Oh, I forgot to put the milk into the fridge. It smells terrible.
—In summer, milk goes bad quickly __________ it is put into a fridge（冰箱）.

A．if

B．unless

C．when

D．after

【推荐1】Hi, could you please tell me ________your father has gone to Sydney?

A．when

B．how often

C．how long

D．if

【推荐2】—The novel Gulliver’s Travels is very nice. Could you tell me ________?
—Two weeks.

A．how long I can keep it

B．when I should return it

C．if I can keep it for another week

【推荐3】Do you know _________there will be a soccer match on CCTV-5 tonight?

A．that

B．if

C．where

D．when

【推荐1】—Mr. Blake is leaving for Britain next term. Do you know ________?
—I’m not sure. But I think it’s not easy to find an English teacher as good as him.

A．where he lives in Britain

B．whether he enjoys the time with us

C．who will teach us English next term

【推荐2】— Would you like to join in the competition?
— I’d love to, but it depends on ________ it is worth doing.

A．whether

B．if

C．who

D．what

【推荐3】—It's only 5:00 in the morning. I wonder ________ you get up so early.
—To go fishing. The earlier, the better.

A．why

B．whether

C．when

D．how

【推荐1】___my cousin was practicing the guitar, his elder sister came into the room.

A．Since

B．While

C．Though

D．Because

【推荐2】You’d better not play with your iPad ________ all your work is done.

A．since

B．until

C．while

D．after

【推荐3】The telephone rang_______ Jenny was practicing the violin.

A．until

B．before

C．while