PRACTICE TEST 6- Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân

His illness prevented him _______ completing his work time. A. over / before B. from / on C. on / in D. with / at

11/100

His illness prevented him _______ completing his work               time.

over / before

from / on

on / in

with / at

Giải thích

Chọn đáp án B