We started learning English 4 years ago

Cho mình hỏi vì sao lại là learning ạ?

Có hình dạng nhất định.

Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

1.   Young people in our coutry love travelling by motobike.

A.    like             B. fond of               C. keen on              D. hate

2.   People get together on Thanksgiving Day and have a feast.

A.    invite                    B. visit                   C. gather                D. gathering

3.   They didn’t have enough time to take care of the dog.

A.    take after               B. take along C. look for             D. look after

4.   Solar energy is safe, clean and abundant.

A.    plentiful                B. renewable C. available            D. alternative

Mark the letter A, B, C or D to indicate the word(s) OPPOSITE  in meaning to the underlined word(s) in each of the following questions.

1.   My friend plays football very well.

A.    good                     B. bad          C. goodly               D. badly

2.    We are interested in watching romantic films.

A.    bored with      B. bored by               C. bored at              D. bored to

3.   Coal is cheap, but it is also harmful.

A.    reasonableB. expensive C. costless                D. priceless

4.   Ba drives carelessly.

A.    careless                 B. careful               C. carefully             D. well

Giải chi tiết giúp mình nhaa!

f(x)=\(ax^2+bx+c\) 

Xác định a,b,c biết f(0)=8, f(1)=9, f(-1)=11

Giải chi tiết giúp mình nha!

Q(x)=\(ax^5+2x^4-2x^5-x^2+6x-3+x^4\)

Xác định a biết Q(x) có bậc là 4