【推荐1】I can’t call Susan ________ I don’t know her phone number.

A．because

B．or

C．so

【推荐2】—Too much homework has made me tired these days, Mr Wang.
—That’s true. But a small tree won’t grow into a big tree ________ it experiences lots of winds and rains.

A．if

B．because

C．until

D．when

【推荐3】The boy would take up sports, ________ he has a great talent in music.

A．unless

B．though

C．because

【推荐1】Mary often becomes angry these days ________ her noisy children.

A．because

B．so

C．about

D．because of

【推荐2】The sweater is very smart. ________, it doesn’t fit me.

A．So

B．But

C．However

D．Because

【推荐3】________ the life in Grade 9 is quite busy, ________ we keep working hard every day.

A．Although；/

B．Although；but

C．Because；so

D．/；and

【推荐1】________, volunteering is both a chance to help others and a good way to develop ourselves. So you’d better make time to volunteer.

A．To my surprise

B．To be honest

C．To start with

【推荐2】—Mr.Lee lost his job last week.
—________his wife has a terrible illness and they don't have enough money to see doctors.

A．In a word

B．What's worse

C．By the way

【推荐3】A：Do you miss Mr. Chen?
B：Yes, I do. _________, have you ever heard of him since he left?

A．By the way	B．On the way
C．In the way	D．At the way