--- ____ do you study for tests?
---I study math by ____ lots of exercises.
| A．How, doing | B．How, do |
| C．When, do | D．What, doing |
He’s never ________ class.
| A．arrive | B．arrive late | C．late for | D．late |
It’s raining all day , so I ________ stay at home.
| A．must | B．can | C．must to | D．have to |
________ you can ________ our school concert.
| A．Maybe, in | B．Maybe, be in |
| C．May be, in | D．May be, be in |
Look! There is _______ over there. Do you know him?
| A．a 8-year-old boy | B．an 8-year-old boy |
| C．a 8-years old boy | D．an 8-years old boy |
It’s difficult for me ______ to school.
| A．to get | B．get | C．gets | D．to gets |