Question

Things are changing all the time. It's difficult to keep ...............all these changes

A.up with

B.out of

C.back from

D.on about

 

Answer 1

Things are changing all the time. It's difficult to keep ...............all these changes

A.up with (keep up with = theo kịp với)

B.out of

C.back from

D.on about

Answer 2

Mình nghĩ là chọn A 

Chúc bạn học tốt!! ^^