－Do you know where John went?

－He ________ went skating with his sister．

A．probably

B．may

C．may be

D．might

－_______ will you leave Beijing?

－In two hours．

A．How often

B．How long

C．How soon

D．What time

－How much are they?

－They are inexpensive．

A．very expensive

B．very cheap

C．cheap

D．a little expensive

－What can robots do just like humans?

－The help with the housework and do the most unpleasant jobs．

A．the most not pleasant

B．the less pleasant

C．the least pleasant

D．the more unpleasant

－What do you think your life will be like?

－My life will be a lot better than it is now!

A．a lot of

B．lots of

C．many

D．much

－What do you want to do in the future?

－I want to work for myself when I am older．

A．am very old

B．grows big

C．grow up

D．grow

In Australia, after you do something well, “________” will often be said to you．

A．Well done

B．Good job

C．Good on ya, mate

D．congratulations

________ is the largest fresh lake in China．

A．Dongting Lake

B．West Lake

C．Poyang Lake

D．Tai Lake

In ancient China, Huabiao was set up to encourage people to carve ________ on．

A．their names

B．the good things

C．the Emperors' names

D．their suggestions

It's necessary for human beings to breath ________ and plants can produce it．

A．CO₂

B．H₂

C．O₂

D．N₂