Choose the correct answer in each sentence.

 If you are the last person in the office at night, please  ___________  that the copier is turned off before you leave.

She has two brothers, ............ are engineers.

Choose the correct answer in each sentence.

To ____________   your safety, please keep your hands inside the carriage throughout the ride.

The Chinese______ spaghetti dishes for a long time before Marco Polo______ back to Italy 

Some high school students often_____helping the disadvantaged or handicapped children.

Why don’t you have your brother  ............... the roof?

Before I  .......... for that job, I ................. my parents for advice.

 I work from Tuesday to Saturday, and Sunday and Monday are my ................

Hummock grasses grow in loose sand on the crest.

Choose the correct answer in each sentence.

Mr.Baek is very  ___________   and has agreed to assist with the new advertising campaign.

Choose the best answer:

If you live in this small town, you ...... earn much money.

We asked ................... the piano so early in the morning, but she won't.

Choose the best answer:

People in big cities are always afraid ................. earthquakes.

I just want to ask you for... advice. 

Choose the best answer:
That man brings ............... every morning.

During the flood, army helicopters came and tried to evacuate ............. injured.

Choose the best answer:
His new yacht is certainly an ostentatious display of his wealth.

Choose the best answer:

You are expected_________the safety regulations of the school.

Fill in the blank with a suitble connector

He had written to her many times; ________, she didn't give any reply.

therefore, they had been out of touch ever since.

Choose the correct answer in each sentence.

Seeing the earthquake temporarily bring the supply of confectionery to regional areas to a -------, Cherry Chase established a factory in California for the mass production of confectionery.

Choose the correct answer.

I wanted to go a more ________ route across Montana.