Đề kiểm tra giữa kì 2 Tiếng anh 12 năm 2023 có đáp án (Đề 13)

If Tom an alarm, the thieves wouldn’t have broken into his house.

21/50

If Tom…..an alarm, the thieves wouldn’t have broken into his house.

installs

had installed

have installed

installed

Giải thích

Chọn B