Phân tích đa thức x²y + xy² + x²z + y²z + y³ + x³ thành nhân tử, ta được:
A. (x + y + z)(x + y)
B. (x + y + z)(x² + y²)
C. (x + y + z)(2x + 2y)
D. (x + y + z)(x + y)²

Cho biểu thức M = ac²x - adx - bc² x + cdx + bdx - c³x
Khi d = c² giá trị của M = ?
A. 0
B. 1
C. -1
D. 4

Giá trị số tự nhiên n để phép chia (-3x⁵ + 5x⁴ - 10x) : 5xⁿ (x ≠ 0) thực hiện được là:
A. n ∈ {0; 1}
B. n ∈ {1; 2}
C. n ∈ {2; 3}
D. n ∈ {3; 4}

Fill in each blank with a suitable preposition:
Example:
Are you interested _______ picture- books ?
A- in
B- with
C- on
D- for

Turn the sentence into Passive Voice:
Example:
Taxis and buses are taking tourists around the city.
__________________________________
A- Tourists are be taken around the city by taxis and buses.
B- Tourists are being took around the city by taxis and buses.
C- Tourists are been taken around the city by taxis and buses.
D- Tourists are being taken around the city by taxis and buses.

Put the verb in the correct form:
Example:
Mr Alan ( work ) __________ for that company since 1990.
A- works
B- worked
C- has worked
D- had worked

Supply the correct form of Adjective or adverb.
Example:
Health and happiness are (important)............................ than money.
A- importanter
B- importantest
C- more important
D- the most important

Choose the word or phrase that best completes each unfinished sentence below:
Example:
"You should prepare your lesson before ........ to school, Na." Tam said
A- go
B- going
C- goes
D- went

Choose the word or phrase that best completes each unfinished sentence below:
Example:
A: .............. you mind if I turn on the TV?
B: No, I don’t mind. What’s on tonight
A- Do
B- Does
C- Have
D- Did

Give the correct form of the verb in bracket.
Example:
The boys like (play) ……………..games but hate (do) ……………lessons.
A- played - doing
B- playing - did
C- playing - do
D- playing - doing