If he ________harder, he will catch up with us soon．

A．study

B．studies

C．will study

D．studied

Roses need special care ________ they can live through winter．

A．because

B．so that

C．as

D．so as to

I’d like to arrive twenty minutes early ________ I can have time for a cup of coffee．

A．so as to

B．so that

C．in order to

D．because of

She is friendly ________ us all．

A．to

B．with

C．for

D．at

－What’s he________?

－He’s friendly．

A．as

B．like

C．for

D．after

－What does he look________?

－He is a short man with dark hair．

A．as

B．like

C．for

D．after

－Can you sing the song “Butterfly” in English?

－No, I don’t think I ________．

A．can’t

B．cannot

C．am able

D．can

May I go out and play baseball now?No, you ________ finish your dinner first．

A．must

B．can

C．may

D．need

This key ________ be Peter’s．Look!His is still in his lock．

A．may not

B．can’t

C．mustn’t

D．not be

－Can you speak Italian now?

－No．I ________ work hard on it and I’m sure I will be good at it sooner or later．

A．must

B．can’t

C．need

D．may not