Choose the correct answer to complete the sentence. "Researchers are developing low-cost devices______ can detect water pollutants in rivers and lakes."

I’ve borrowed some money from the bank, but I have to pay it ________ by the end of the year.

Everyone in the class was so clever that couldn’t ________ up with them.

Choose the best answer to fill in the blank: 
Many of the men of Tangshan were working in the …….. deep under the earth’s surface when the disaster occurred.

Choose the best answer: 
We___________that work when you get back next week.

When my father was young, he _____ work in the garden for long hours.

Choose the best answer: 
Robots can act as 24/7 ____ to children with disabilities or the elderly.

The child was ________ by a lorry in the main street.

Choose the best option:

Could you please help me ____ mail delivery?

Choose the word(s) CLOSEST in meaning to the following word(s). "generate"

Do you think it's possible to ________ on nothing but fruit and vegetables?

“Mary looks sad. Did you tell her about the accident?” - “Yes, but I _____ her later.”

She ________ her father; everyone says how alike they are!

Choose the correct answer to complete the sentence. "How _____ is it from here to the town centre?"

Choose the word(s) CLOSEST in meaning to the following word(s). "thriving"

Choose the correct answer to complete the sentence. "A commission was _______ to investigate the possible locations of this new city"

Choose the correct response to each of the following exchanges.

A: “I believe people will have a better life in the future.”

B:  “_________ Life will be more enjoyable than it is today, won't it?”

Choose the correct answer to complete the sentence. "You use your mobile phone a lot, _____ you have large phone bills"

Choose the correct answer to complete the sentence. "I believe people ______ have a better life in the future"

 I didn't hear the phone. I _____ asleep. 

We're having terrible weather. Just can't put ________ it for much longer.