Going swimming in the river in the summer is interesting.
A.It is interesting to go to swim in the river in the summer.
B.It is interesting to go swim in the river in the summer.
C.It is interested to go swimming in the river in the summer.
D.It is interesting to go swimming in the river in the summer.

A.claimed
B.warned
C.occurred
D.existed

It takes Minh 2 hours to do his homework every day.
A.Minh spends 2 hours doing his homework every day.
B.Minh spends 2 hours do his homework every day.
C.Minh spends 2 hours do his homework every day.
D.Minh spends 2 hours having done his homework every day.

What is the main idea discussed in the passage?
A.Gift-giving, despite its uneconomical downsides, cultivates a positive social process.
B.Gifts can serve as implicit signals of thoughtfulness and consideration.
C.Gift-giving may have certain drawbacks alongside its positive qualities.
D.Gift-recipients are widely acknowledged as considerably experienced in gift-giving.

The author indicates that people value gift-giving because they feel it _______.
A.functions as a form of self-expression
B.is an inexpensive way to show appreciation
C.requires the gift-recipient to reciprocate
D.can serve to strengthen a relationship

The word “this” in paragraph 3 refers to gift-givers’ ________.
A.struggling
B.overspending
C.buying meaningful gifts
D.having considerable experience

My mother used to make us clean the house.
A.We used to be made to clean the house by my mother.
B.We used to make to clean the house by my mother.
C.We used making to clean the house by my mother.
D.We used to be made clean the house by my mother.

The word “convey” in paragraph 4 is closest in meaning to ______.
A.transport
B.counteract
C.communicate
D.exchange

Which of the following best describes the tone of the author?
A.criticizing
B.pessimistic
C.informative
D.ironic

Because of their microscopic size, particles can easily penetrate deep into the respiratory system, causing serious health problems.
A.strange
B.tiny
C.giant
D.queer