Playing a musical instrument can help children _______ confident in performing their skills.
A. feel
B. feeling
C. to be felt
D. felt

Đáp án: A. feel
(The verb "feel" is the correct form here to express how children will experience confidence.)

Through music lessons, children are made _______ how to set goals for learning a specific note or a new song.
A. understand
B. understanding
C. understood
D. to understand

Đáp án: D. to understand
(The phrase "are made to understand" is used to indicate that children are taught or caused to understand something.)

It costs a lot of money to have a famous singer _______ at your party.
A. perform
B. performing
C. to perform
D. performed

Đáp án: A. perform
(The verb "perform" is used in its base form after "to have.")

Andy plays the violin well, _______ the trumpet is his favorite instrument.
A. so
B. nor
C. but
D. for

Đáp án: C. but
(The word "but" contrasts the two different statements.)

Can you help me carry these books, _______ are you busy right now?
A. and
B. so
C. but
D. so

Đáp án: C. but
(The word "but" is used to contrast between the two clauses.)

She played C and then went on to sing a lovely folk song.
(The verb "sing" is used here to indicate the action following playing.)

It was great that we were able to see him sing live at the concert.
(The verb "sing" is used to describe the action observed at the concert.)

He has been heard singing his song several times.
(The gerund "singing" is used to describe the action that has been heard repeatedly.)

We can notice children express their emotion in music without fear of a negative response.
(The verb "express" is used here to describe the action children perform.)