lll. choose the best answer
1. Do you mind………………………………these letters for me?
A. send B. to send C. sending D. to sending
2. nga____________________ a letter at eight o’clock last night.
A. write B. was writing c. is writing D. writes
`1-C`
Cấu trúc : do you mind + Ving : Bạn có phiền khi làm gì
`2- B`
GT : có “at eight o’clock last night.” => thì QKTD