Tom should ________ English hard．

A．learns

B．learning

C．learn

We usually see sandstorms in ________ China from February to April．

A．southem

B．northem

C．north

Your mom must be ________ about you．

A．worried

B．worry

C．worrying

The students ________ the sports meeting．

A．are prepare for

B．are prepared with

C．are prepared for

It is difficult ________ the mountains．

A．to climb

B．climbed

C．climb

If ants are putting soil around their holes, that means it ________．

A．won't rain

B．will be sunny

C．it will rain

Your plans for next winter sounds ________

A．wonderful

B．wonder

C．wonderfully

The flower smells ________．

A．well

B．badly

C．good

I saw that the tornado was getting ________．

A．close

B．closer

C．closed

Look, the sun is ________

A．shining brightly

B．shining bright

C．shine brightly