7.—Henry did a lot of work to study the of these ani?mals.

 —He is really hardworking enough a good researc?her.

A.impression;be 

B.behaviour;to be 

C.impression;to be 

D.behaviour;be

6.—Can I have the please? I want to order some dishes.

 —Wait a minute. I have to find a pen with.

   A. file;writing     B. menu; writing

   C. file;to write   D. menu;to write

5.—How long do you spend your project?

 —I spend two hours it every day.

   A. to do;on     B. to do;in

   C. doing; on   D. doing;in

4.—does the elephant weigh?

 —Its weight more than 6 tons.

A.How many;is 

B.How much;are

C.How many;are 

D.How much;is

1.will do my homework at home instead of basket?ball.

  A. play   B. played playing   D. to play 

2.Many animals are endangered,pandas.

   A. including   B. included

   C. includes     D. include

8.The death of their daughter was a (残酷的) blow.

7. One thousand grams are equal to one (千克) .

6. He sounds as if he has the (重量) of the world on him.

5.can think of three explanations for this (行为) .