Ư .B. BÀI T P TM NH C...LU .N ...Ð TÍNH...4....23TA. TĨM T T .C. BÀI T...

42) I could not eat _______ I was very

work.

Ph đ nh <--> kh ng đ nh

hungry.

____________, he was

Ex: If I have time, I’ll help you.

A. was seriously ill

T