His arms were sunburnt because he         in the sun all day.

A．had sat           B．sat               C．is sitting           D．had been sitting

They probably didn’t like their nicknames, but they just had to         up with it.

A．put              B．come             C．keep             D．catch

Much to my anger, the camera I         didn’t work again.

A．repaired                              B．had repaired

C．had had repaired                       D．was repaired

At first, the words seem to ____ to domestic violence, ____ then we realize the ad is a learning about eating high-fat food.

A．turn, and          B．lead, but          C．refer, but          D．appeal, and

She ____ necklaces with the help of Ms Sullivan when she ____ that she had made some mistakes.

A．was working, was noticing                 B．made, was noticing

C．made, noticed                          D．was making, noticed

____ Helen’s knowledge and vocabulary expanded, she asked more and more questions.

A．When            B．While            C．As               D．Before

I didn’t know I was spelling a word or even ____ words existed.

A．that              B．what             C．which            D．one

In a way, Pompeii is like a time capsule ____ a frozen moment in history.

A．protecting         B．preserving         C．preventing        D．protesting

By the time some scientists ____ the lost towns, they ____ an awesome historical site.

A．had found, had found                    B．found, found

C．found, had found                       D．had found, found

He constantly gets into awkward and absurd situations, ____ audience can be greatly amused.

A．which            B．where            C．that              D．what