SORRY, I CAN’T COME TO YOUR PARTY. I AM SNOWED UNDER WITH WORK AT THE...

Câu 21: Sorry, I can’t come to your party. I am snowed under with work at the moment.

A. interested in

B. busy with

C. relaxed about

D. free from

Giải thích: be snowed under st = be bust with st (bận bịu với việc gì)

Đáp án B