The company has a free long distance telephone number ________ customers call with any question they have about its products．

so that

although

as

even if

完成句子

The committee is ________(正在调查那场事故的原因)．

完成句子

The police found ________(谋杀案的目击者)．

完成句子

His illness was ________(由于食物不好)．

完成句子

________(一看见)the photo, I remembered my children．

完成句子

There is little time left．Please ________(加快你的工作)．

根据课文内容完成下面短文

Police in America are ________ their effort to search for a boy who went ________ 2 days ago in Dover, New Hampshire．His parents thought he was ________ the night with a friend until he didn’t ________ the next day, so they called the police, who found Justin did ________ home at 11 p.m. His sister believed he might be ________ by aliens．But her parents believed she was just having a ________．Many ________ saw the boy walking home．Mavis Wood in Dover said he believed it; the same thing happened to him．The police haven’t ________ that possibility and are ________ other possibilities, but they said they would never give up until the ________ evidence was found．

用下列单词的适当形式完成句子

1．On the rainy days, it is easy to leave ________ on the floor．

2．There’s a ________ service from the city center to the airport．

3．He bought some ________ flowers to decorate his house．

4．They took a blood ________ to test for hepatitis(肝炎)．

5．A surprise air attack was ________ at night．

6．The detective ________ the window frame for fingerprints．

用恰当的介词或副词填空

No evidence ________ life has been discovered on any of the planets so ________．

用恰当的介词或副词填空

The headmaster is making a speech ________ the students．