Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
"Paula, please walk the ……….!"
A.dog
B.hamster
C.fish
D.cat

A.$ AH=2,56\left( m \right) $.
B.$ AH=2,57\left( m \right) $.
C.$ AH=3,84\left( m \right) $.
D.$ AH=3,26\left( m \right) $.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Wives often expect their husbands to help them in household ………..
A.job
B.chores
C.work
D.appliances

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
My wife handles most of the ………. around the house.
A.chores
B.housekeeping
C.household
D.homework

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
She often ………. for groceries at the supermarket near her house.
A.prepares
B.shops
C.cooks
D.looks

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I usually _____ the neighbour's cat while she's away.
A.walk
B.brush
C.look at
D.feed

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Tom usually eats out because he doesn’t know how to _____ any dishes.
A.split
B.cook
C.share
D.wash

Tìm hai số tự nhiên có tổng bằng 66 và ƯCLN của chúng bằng 6, đồng thời có một số chia hết cho 5. Có bao nhiêu cặp số tự nhiên thỏa mãn đề bài?
A.2 cặp.
B.3 cặp.
C.4 cặp.
D.1 cặp.

ƯCLN của 5661; 5291 và 4292 là:
A.37
B.29
C.53
D.61

Trong các số tự nhiên từ 50 đến 59 có bao nhiêu cặp số là nguyên tố cùng nhau?
A.26 cặp số.
B.31 cặp số.
C.35cặp số.
D.29 cặp số.