unit 1

Choose the best answer to fill in the blank.

He has been very interested in doing research on _______ since he was at high school.

• biology

• biological

• biologist

• biologically

Answer explanation

- Sau giới từ (on) dùng danh từ

- biology (n): sinh vật học

- biologist (n): nhà nghiên cứu sinh vật học

- He has been very interested in doing research on biology....

(Anh ta rất thích nghiên cứu về sinh vật học)

Choose the best answer to fill in the blank.

Are you sure that boys are more _______ than girls?

• act

• active

• action

• activity

Answer explanation

be more + adj

Choose the best answer to fill in the blank.

You are old enough to take _______ for what you have done.

• responsible

•  responsibility

• responsibly

• irresponsible

Answer explanation

take responsibility for: chịu trách nhiệm cho

Choose the best answer to fill in the blank.

These quick and easy _______ can be effective in the short term, but they have a cost.

• solve

• solvable

• solutions

• solvability

Answer explanation

those + adj + N số nhiều

Choose the best answer to fill in the blank.

Strong family ties provide us the love and _______ we need for a happy life.

• secure

• securing

• security

• securely

Answer explanation

the love + and + N

N

- Trước và sau and đồng loại từ

Fill in each blank with the correct form of the word in brackets.

She is a very (a)   woman. She is always helpful and sympathetic toward other people. (care)

Answer explanation

- adj + N

- caring (adj): chu đáo

The electric company admitted their (a)   for the blackout. (respond)

Answer explanation

- Tính từ sở hữu (their) + N

- responsibility for (n): trách nhiệm cho

Students now live with a lot of (a)   from their studies. (press)

Answer explanation

- a lot of + N

- pressure (n): áp lực

Boys are considered more (a)   and stubborn than girls. (mischief)

Answer explanation

- adj + and + adj

- stubborn (adj): bướng bỉnh, ương ngạnh, ngoan cố

- mischievous (adj): tinh nghịch

The solution ____ the problems is offered by my teacher

• for

• about

• with

• to