He got good marks in exams because he put all his ________ into his study．

A．affect

B．effect

C．effort

D．offer

Scientists say that there are no ________ things on the moon．

A．lifeless

B．lively

C．living

D．alive

I feel ________ my duty to protect our home－the earth．

A．this

B．that

C．it

D．one

After you exercise, you should ________ more water．

A．take out

B．take off

C．take down

D．take in

The sick girl is still in ________ and the doctors and nurses are watching her very carefully．

A．danger

B．dangerous

C．threatened

D．threats

根据句意从括号中选择正确的单词并填写在空白处。

Cormorants are large ________ which can swim under water and catch fish．(bird; birds)

从方框内选择适当的动词并用现在完成时态填空。

1．Dave was reading a book, but he ________ it．

2．Freda was holding a cup, but now it's in pieces on the floor．She ________ it．

3．The bus left without Terry and Dave．They ________ it．

4．Edwin received a letter and he ________ a reply．

5．I can't find my keys anywhere．I ________ them．

6．Lily's dog was hungry but she ________ it now．

7．The food on the table has all gone．We ________ it．

8．Where's my wallet?Someone ________it．

选择正确的词语代替句子中画线部分。

(　　)1．There is a square in front of the railway station．People usually gather there to wait for the trains．

(　　)2．Martin's friends plan to hold a party for his twentieth birthday．

(　　)3．All the students are now working hard at their English, including those who didn't want to before．

(　　)4．Don't drag him in．Let him go by himself．He isn't a boy after all．

(　　)5．I am sure to win the competition．

(　　)6．You don't have to do everything by yourself．

(　　)7．Dinosaurs were giant animals．

(　　)8．The truck is dragging a car which breaks down halfway．

(　　)9．Don't always ask me such stupid questions．

(　　)10．Youth Street is one of the most important roads in Shenyang．

The cars made in Japan are much cheaper than ________ made in America．

A．ones

B．those

C．that

D．it

There is ________ any time left now．

A．no

B．not

C．none

D．some