— Where is Mary? — She’s busy for the exams.
A: study
B: studies
C: studying
D: to study
A: study
B: studies
C: studying
D: to study
举一反三
- — Where is Mary? — She’s busy for the exams.
- John had a busy weekend．He_____ math all day. A: study B: studies C: studied D: is studying
- _________ hard and you will catch up with your classmates. A: Studies B: To study C: Studying D: Study
- He Engineering A: studies B: study C: is studying D: studied
- Harry didn’t ________ for the test. A: studying B: studied C: study D: studies