--Look！How big the dog is！

--Don’t go neat to it．It _________ bite(咬)you．

A．can    B．might    C．will    D．must

Look！There are many clouds in the sky．_________ it’s going to rain soon．

A．Seems    B．Seeming    C．It seems    D．It seems which

--Why were you late this morning?

--I was _________ I overslept．

A．because of    B．because    C．why    D．what

Excuse me，I didn’t catch what you said．Can you tell me __________ just now？

A．you say what    B．what you say    C．to say what    D．what you said

--None of us can work out the maths problem．

--If Tom _________ here，he ___________ it out．He is so clever．

A．were；would work    B．was；will work    C．is；will work    D．were；have worked

When you are in class，you must concentrate your attention __________ the lesson．

A．to    B．in    C．On    D．over

--Tom and Jim study very hard．

--____________ and ________________．

A．So do they；so you do    B．So they do；so do you

C．They do so；you do so    D．So do they；so do you

They are tired after the long travel．They need __________ a rest．

A．having    B．to has    C．to have    D．have

He doesn’t know __________ he should bring a present．

A．what    B．how    C．where    D．if

Everyone can enjoy themselves __________ the party．

A．in    B．at    C．on    D．of