－Excuse me, is this the right way to No．1 Middle School?

－Sorry, I'm not sure．But it ________ be．

A．can

B．need

C．must

D．may

Shenzhou VI returned safely to Earth ________ October 17,2005 after a five-day flight．

A．in

B．on

C．at

D．during

－How clean and tidy your bedroom is!

－Thank you．It ________ every day：

A．cleans

B．is cleaned

C．was cleaned

D．is cleaning

－Could you tell me when ________?

－In ten minutes．

A．the bus left

B．will the bus leave

C．did the bus leave

D．the bus will leave

－What are you going to do this Sunday?

－I ________ yet．

A．won't decide

B．didn't decide

C．haven't decided

D．don't decide

－Hey!There is a bag on the ground．Whose is it?

－There is a woman over there．Maybe it's ________

A．her

B．hers

C．she

D．herself

－Mum, where is my MP3?

－It's in ________ black box near the computer．

A．a

B．an

C．the

D．/

Computers are so popular in our country that every pupil knows ________ e-mails．

A．how can he send

B．how does he send

C．how to send

D．how sending

At weekends we help Mother with housework in the kitchen ________ she can enjoy herself by searching the Internet．

A．after

B．until

C．that

D．so that

Every year millions of trees ________ to prevent floods, droughts and sandstorms．

A．plant

B．are planted

C．are planting

D．were planted