Câu 1. I’m happy _____ that you have passed the exams.
A. knowing
B. have known
C. to know
D. knew
Câu 2. If I were you, I ________ and apologize to her.
A. would be calling
B. will call
C. would call
D. call
Câu 3. If they had recognized her, they ________ to her.
A. would speak
B. will have spoken
C. would have spoken
D. will speak
Câu 4. The plants want ______ daily.
A.. to watering
B. being watered
C. to wate
D. to be watered