【推荐1】My uncle likes watching World News ________ it can help him learn more about the world.

A．because

B．but

C．so

【推荐2】________ this computer doesn’t work, let’s try another.

A．Since

B．Because

C．After

D．While

【推荐3】My mother was cooking in the kitchen ________ my father was cleaning the living room.

A．because

B．after

C．before

D．while

【推荐1】History is my favourite subject ________ it’s very interesting.

A．though

B．and

C．because

D．but

【推荐2】—He still missed the flight________ he caught a Didi car.
—What a pity!

A．so

B．and

C．though

D．but

【推荐3】Let’s take the simple steps today ________ we will save the world for our grandsons and granddaughters tomorrow.

A．unless

B．until

C．so that

D．though

【推荐1】______ all the photos are excellent, we can’t give prizes to everyone.

A．If

B．When

C．Because

D．Though

【推荐2】_______ she is very busy, Mrs. Li always helps Peter with his Math.

A．But

B．For

C．Therefore

D．Although

【推荐3】—Shall we go on working?
—Yes, _______ I prefer to have a rest.

A．when

B．unless

C．because

D．though

【推荐1】You can’t learn spoken English well ________ you practice speaking again and again.

A．if

B．unless

C．while

【推荐2】Some cities like Shanghai in China started to introduce a new green recycling policy. Everyone works hard ______ it is difficult to deal with it at first.

A．so

B．until

C．if

D．though

【推荐3】Tom practices running every morning _________ he can run a marathon next year.

A．as soon as

B．so that

C．even though