【推荐1】I really enjoyed your talk, ________ there were some parts I didn’t understand.

A．because

B．unless

C．though

D．after

【推荐2】I’d like to have a try in the sports meeting, _________ I may fail.

A．until

B．though

C．because

【推荐3】Why not use this app to save your pocket money ________ you are not going to spend it?

A．until

B．unless

C．though

D．since

【推荐1】You will be healthier ________ you improve your physical health.

A．after

B．although

C．if

D．until

【推荐2】—How terrible! I lost my arm in the accident.
—Cheer up! ________ you lost your arm, you didn’t lose your life.

A．Although

B．Because

C．If

D．Until

【推荐3】In my opinion, we can improve our oral English　　　　　we often practice talking with others.

A．unless

B．though

C．if

D．until

【推荐1】________ clean energy has been used in our daily life, global warming may still continue.

A．Because

B．Though

C．If

D．Unless

【推荐2】________ the weather was very bad, the trip was interesting.

A．If

B．Although

C．Because

D．Unless

【推荐3】—How well he does in his business! This year their company has achieved great economic benefits(经济效益).
—Yeah. ______ his daily business is rather boring, ______ he still works on every details very carefully.

A．Although; yet

B．Since; but

C．As; yet

D．Because; so

【推荐1】My brother knows many English words ________ he is only five years old.

A．if

B．although

C．so that

D．because

【推荐2】There will be no killing in the nature ________ there is no buying and selling animals.

A．if

B．since

C．although

【推荐3】—I’m afraid we can’t work out the math problem ________ the teacher helps us.
—That’s true. It’s too difficult.

A．if

B．unless

C．because

D．and