【推荐2】Please remind me of the meeting again tomorrow ________ I forget.

A．though

B．so that

C．in case

D．until

【推荐3】If you have difficulty in understanding something, you may research, study and talk to other people ______ you figure it out.

A．because

B．though

C．until

D．since

【推荐3】You’d better solve this difficult problem __________ it is too late.

A．before

B．after

C．when

D．unless

【推荐1】I was about to cook my supper ________ the telephone rang, but it hung up ________ I could answer it.

A．while; when	B．when; as
C．as; after	D．when; before

【推荐2】Steve Jobs once said, “Innovation(创新) distinguishes between a leader and a follower.” Just remember: ________ you start to think creatively, the whole world is going to be following.

A．Although

B．Where

C．Unless

D．Once

【推荐3】I can’t figure out why some foreigners must go out_______staying at home is the safest way during the outbreak of the virus.

A．until

B．before

C．unless

D．when