（2014山东潍坊）根据汉语和所给的提示词翻译句子

王先生总是鼓励我们在课堂上说英语。（encourage）

_______________________________________________________________________________

（2014福建福州）—Jack，I have________working out the math problem．

—Don’t worry．Let me help you．

A．fun

B．trouble

C．experience

（2014四川广安）—Do you know________？

—Sorry，I don’t know．

A．if she will come to the concert or not

B．whether she will come to the concert or not

C．if will she come to the concert

They dug up the road and________a box hidden under it．

A．find

B．found out

C．discovered

D．invented

（2014安徽）Rick has learned a lot about Chinese culture________he came to China．

A．before

B．when

C．until

D．since

（2012山西中考）________，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

________the following pictures，please write a composition．

A．Thanks to

B．Because of

C．According to

D．Instead of

（2013四川遂宁）Everyone was________when they heard the________news．

A．exciting；exciting

B．excited；exciting

C．exciting；excited

Don’t make any________．The baby is sleeping in the next room．

A．shout

B．sound

C．voice

D．noise

You may fail in the exam________you study hard．

A．until

B．if

C．because

D．unless