I was surprised ________ the way he behaved. 

For many years, scientists studying the effects that the sun has on human skin.

The firstly naval battle of the Revolutionary War was fought off the coast of Machias, Maine, in June 1775.

Mark the letter to indicate the word whose underlined part needs correction.

When I came in, everyone were watching a film on television.

In some species of fish, such the three-spined stickleback, the male, not the female, performs the task of caring for the young .

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

A person who studies biology is a __________ .

When the police came, the theft_________.

Disneyland is crowded ________ tourists in July. 

Find the ONE among the underlined and marked A, B, C, D in each of the following sentences that needs correcting:

15. Going from air condition room to a natural environment can cause respiratory illness.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

Neither Bill nor Norris__________ going to the play tonight.

Find the ONE among the underlined and marked A, B, C, D in each of the following sentences that needs correcting:

Alike oxygen, which is chemically changed by our bodies into carbon dioxide, nitrogen is merely exhaled back into the air.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

Hardly_________ at the bus stop when the next bus came.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

________ then what I know today, I would have saved myself a lot of time and trouble over the years.

Chọn phương án thích họp (A, B, c or D) đế hoàn thành yêu cầu của câu.

Who was the first American person______ on the moon?

Choose the correct answer. "_____ a doctor identifies a suspicious lesion on an imaging study, they may recommend taking a sample of lung tissue to test for potentially cancerous cells"

Choose the correct answer. "Their parents make these students _____ so much."

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

Modern English is different__________ old English.

The shore patrol has found the body of a man who they believe to be the missing marine biologist.

I have gone to Copenhagen three times this year, I still want to spend my holiday there.

Choose the underlined word or phrase (A, B, C or D) that needs correcting.

Plastic is make (A) from natural gases and petroleum (B) – a thick (C) oil that people remove from (D) the earth.

In the United State, the Cabinet consist of a group of advisers, each of whom is chosen by the President to head an executive department of the government.