Choose the best answer:
The basic fiber-optics system is called a fiberscope, ………… Consists of two bundles of fibers

Choose the best answer:
I know it isn't easy facing off against the lowlifes of this town, but you're on the police force and you have to _____________ your duty

Choose the best answer:
The number of people joining the volunteer group ____ to nearly 300

Choose the best answer:
They called the police as soon as they heard someone break ___________ their house

Choose the best answer:
A number of companies have been putting _______________ on politicians to ease up on corporate taxes and regulations

Choose the best answer:
The house is beautiful. ________, it's in a great location

Choose the best answer:
The book would have been perfect ....... the ending

Choose the best answer:
He used to rise……..dawn until he was old.

Choose the best answer:
Ha Long Bay cuisine is famous ____ its fresh and diverse seafoods

Choose the best answer:
Nowadays more and more students _____ work in mountainous areas in summers

Choose the best answer:
Thanks to my friends’ _____ remarks, my essays have been improved

Choose the best answer:
You shouldn't let this great opportunity go __________ just because you're mad at your sister

Choose the best answer:
You must be depressed when seeing this scene,______?

Choose the best answer:
You’ve been punished of bad marks, _________?

Choose the best answer: 
 What’s going to be ____________ TV tonight?

Choose the best answer:
Xavier is English, _________?

Choose the best answer:
He ____ on his essay all day, but he ____ yet.

Choose the best answer:
The changes in the line-up forced the pop group to ________ after friction developed between them

Choose the best answer:
He is quite sure that it's ____ impossible for him to lose five kilos within two days

Choose the best answer:
Volunteer work helps young people know their strong and weak points before they enter the ____

Choose the best answer:
I came ___________ while the meeting was in progress, so I waited in the back