【推荐1】________ Wu Lan is still young, she can help her mother to do some housework on weekends.

A．Because

B．Until

C．Though

D．Unless

【推荐2】—Many jobs need close teamwork !
—Yes. Nothing will be achieved ________ we work well together.

A．unless

B．since

C．though

【推荐3】—You did so well, Clark! Our team got the highest score in the basketball match.
—I didn’t realize the importance of teamwork ________ my friends brought out the best in me.

A．until

B．because

C．if

D．though

【推荐1】The old man, Bai Fangli, donated about￥350，000 to over 300 students ________ he lived a simple life himself.

A．until

B．unless

C．because

D．though

【推荐2】We will have little water to drink ______ we don’t save it.

A．if

B．unless

C．until

D．though

【推荐3】Life is a mirror. ________ you smile at it, it will smile back.

A．Unless

B．When

C．Until

D．Though

【推荐1】—Can I go to the reading room?
—You can’t ________ you have a school ID card.

A．after

B．unless

C．when

D．if

【推荐2】You will be punished ________ you follow the traffic rules when driving on roads.

A．until

B．whether

C．unless

D．though

【推荐3】We are not allowed to enter any public places,_________ we have a normal temperature and a health code.

A．if

B．unless

C．though

D．since

【推荐1】 I felt tired ______ I worked late last night.

A．because

B．when

C．if

【推荐2】________you can’t answer the question, maybe we’d better ask someone else.

A．Since

B．So

C．Unless

D．Although

【推荐3】I love to listen to rock music ________ I am running.

A．until

B．after

C．while

D．since