Choose the best option to complete the following sentences.

Internet helps us interact _______ people all around the world.

People are not allowed enter the park after midnight because of lack of security.

Choose the best answer: 

What would happen to our lives if the forest did not _____.

What’s the .......................... of your country?

Mark the letter to indicate the correct answer.

All motorcyclists must wear helmets. It is…………….for them to wear helmets.

Tom said that he was trying to carry out some campaigns to protect environment and will encourage others to do so.

We should collect empty bottle and cans and ........ them.

 It _______________last night because the ground is really wet.

You'd better__________harder.

I can’t find the letter I received from my boss some days ago. I might throw it into the waste paper bin yesterday.

Choose the best answer:

If they knew the danger, they would make it .......

Choose the correct answer. "The scores written need to be technically correct in order to ____flawless performances"

Choose the best answer:

I have an _____ to a party tonight.

Choose the best option to complete the following sentences.

Biotech drugs, which are …………… from living cells, provide some of the best efforts at curing diseases such as diabetes, Alzheimer’s, Parkinson’s, and HIV.

 This TV series is more like a portrait _________ life than any others.

The weather forecast girl says it .......... rain tomorrow.

Choose the correct answer. "A composer is someone  ________ writes and directs original music used to produce various types of media entertainment."

Choose the best option to complete the following sentences.

I really wanted to take part in this contest, _______ my parents allowed me to.

 In an ________ to diffuse the tension, I suggest that we go to see a movie.

Mai and Lan have a row because they have misunderstood one another.

Health and happiness are more______than money.