________ kind the teacher is to us!

A. What

B. What a

C. How

D. How a

________ the men I met in the hospital is your uncle?

A. Which of

B. What

C. Whose

D. Who of

You ought to have finished your task, ________?

A. oughtn't you

B. don't you

C. haven't you

D. did you

Please don't spit ________. We should keep our city clean.

A. anywhere

B. everywhere

C. somewhere

D. nowhere

________ you saw in the hospital were doctors.

A. No one person

B. No one of the person

C. One of the persons

D. None of the persons

Be sure to turn off the light and close the windows when you leave, ________ ?

A. will you

B. aren't you

C. can you

D. mustn't you

It's cold today. Don't forget to put on your coat when you go out, ________?

A. shall you

B. do you

C. will you

D. don't you

If you want help—money or anything, let me know, ________ you?

A. don't you

B. will

C. shall

D. do

It's sometimes hard to tell one twin from ________.

A. another

B. an other

C. some other

D. the other

The city plans to build a park ________ there used to be a lake.

A. where

B. that

C. in which

D. which