I thought I _______ him come in _______ we were having dinner.
A. hear-when
B. look-while
C. looked-when
D. heard-while
KEY D
Giải thích: QKĐ while QKTD
Dịch: Tôi nghĩ là tôi nghe anh ta đi vào khi chúng tôi đang ăn tối.
Put plants ............... a window so that they will get enough light.
If you can give me one good reason for your acting like this, _____ this incident again.
His teacher regrets _______ him that his application for the job has been turned down.