【推荐1】—As far as I know, Jane isn't used to working here.
—Why not help her_______she's new?

A．though

B．until

C．as

D．if

【推荐2】The meat will go bad ________ you don’t put it in the fridge.

A．though

B．if

C．until

D．unless

【推荐3】—What do you think of your junior high school life?
—I think it’s enjoyable, ________ I sometimes have some trouble in study.

A．if

B．because

C．though

【推荐1】Most of the students have prepared to try their best ________ they were in Grade Nine.

A．unless

B．until

C．since

【推荐2】________ you listen to the teacher carefully, you won’t understand the story completely.

A．Because

B．If

C．Whether

D．Unless

【推荐3】Don’t lose heart. You can make progress in English ________ you try your best.

A．as long as

B．unless

C．whether

【推荐1】I think you should be against the situation, ________, of course, you are happy with it.

A．because

B．however

C．anyway

D．unless

【推荐2】A tourist will easily lose his way in Beijing _____he has a map or a guide.

A．because

B．unless

C．if

D．when

【推荐3】— Betty, you look so fit. Do you take exercise all the time?
— Yeah. I won’t feel happy ________ I play sports every day.

A．if

B．unless

C．though

D．since

【推荐1】You need to practice speaking         you want to improve your spoken English.

A．if

B．although

C．unless

D．until

【推荐2】Just go down this road ________ you see a bank. The hospital is across from it.

A．until

B．but

C．because

D．though

【推荐3】Elon Musk spoke highly of China Space that “The China space program is far more advanced than most people realize.” ________ he arrived in China last week.

A．until

B．as soon as

C．unless

D．because