I often go to school _________．

A．by bus

B．by a bus

C．by the bus

The new treatments _________ by Norman Bethune helped a number of soldiers．

A．invent

B．invents

C．inventing

D．invented

The magazine was started by Becky, _________ I know．

A．as far as

B．as well as

C．as soon as

D．as much as

If Tom _________ the game, we'll give him a surprise"．

A．win

B．win?

C．won

D．miming

After a three hours' long walk, the boys look rather _________．

A．excited

B．bored

C．tired

D．stressed

_________ great scientist Qian Xuesen is!

A．How

B．How a

C．What

D．What a

The moonlight goes _________ the window and makes the room bright．

A．across

B．through

C．over

D．in

Teenagers should learn to protect _________ from all kinds of danger．

A．them

B．they

C．their

D．themselves

With the help of the Internet, information can _________ every comer of the world quickly．

A．go

B．land

C．reach

D．arrive

It can't be Lucy's bike．Look! _________ is under the tree．

A．She

B．Her

C．Hers

D．She's