He is one of the most diligent students in our class, and he always ________ himself in his studies．

A．buries

B．hides

C．covers

D．leaves

Bob is determined to get a seat for the concert ________ it means standing in line all night for the ticket．

A．so that

B．as if

C．even though

D．however

Some great people said it was their primary school teachers and their lessons ________ they were fond of ________ influenced their whole lives．

A．which; that

B．that; which

C．which; which

D．that; that

He insisted that he ________ nothing wrong and that he ________ right away．

A．had done, be freed

B．had done, would be freed

C．should do, should be freed

D．should do, was

She was so amused with the magician's tricks that she ________ laughter．

A．burst out

B．burst into

C．burst forth

D．burst in

They believe that there is ________ in the world．

A．no such a car

B．no such car

C．not such cars

D．not such car

The way ________ he spoke English is more like that of an American．

A．which

B．how

C．in that

D．in which

The scientists are now trying to discover what use could be ________ this new material．

A．made out

B．made up

C．made of

D．made from

We'll have to finish the work, ________．

A．no matter how long it takes

B．it takes however long

C．however long does it take

D．however it takes long

The teacher told Tom ________ make the same mistakes again．

A．he can't

B．don't

C．to not

D．not to