My father is busy _____ in the study.
| A．to read | B．read |
| C．reading | D．to reading |
–Would you mind _________ your voice down? We are doing our homework.
–Sorry for that.
| A．keep | B．keeping | C．to keep | D．kept |
–I always make mistakes in my math exams. What should I do?
–I think you should be _________.
| A．enough careful | B．enough carefully | C．careful enough | D．carefully enough |
My car went ______ fast and narrowly missed _______ another car.
| A．so; hit | B．too; to hit | C．too; hitting | D．very; hit |
--What did the teacher say just now?
--- The teacher told us _______ our hands before ______ the questions.
| A．to rise; answered | B．rise; answering |
| C．to raise; answering | D．raise; answered |
Bob told me he ______ to see his grandma _______.
| A．would go, the next day | B．went, tomorrow |
| C．went, the next day | D．will go, yesterday |