--Who’s the man over there?Is it Mr Black?
----It _____be him.He’s much taller.
| A．mustn’t | B．can’t | C．should | D．may |
After reading for an hour, you'd better_______ the green trees for a minute or two.
| A．look out of | B．look out at | C．look out from | D．look for at |
Do you need help _______ your Maths homework?
| A．to | B．from | C．with | D．for |
Which floor do you_______ this tall building?
| A．live | B．live on | C．live in | D．live on in |
-How many students are there in your school?
-There are about eight_______ students.
| A．hundred | B．hundreds | C．hundreds of | D．hundred of |
-_______?
-Yes. This is Kitty speaking.
| A．What's your name | B．May I speak to Kitty ' |
| C．Who are you | D．Who calls you, Kitty |