If my friends have any problems, my door is open to them.
| A．never | B．sometimes | C．hardly | D．always |
Li Lei is seen ___his homework every day.
| A．do | B．doing | C．did | D．to do |
Our English teacher told me to pay more attention my pronunciation.
| A．at | B．to | C．of | D．On |
Students ___ slippers when they are at school.
| A．don’t allow to wear | B．are not allowed to wear |
| C．are not allowed to put on | D．are not allowed wearing |
He used ___ on the right in China, but soon got used ___ on the left in England.
| A．to drive; to drive | B．to drive; to driving |
| C． to driving; to drive | D．driving; driving |
___ too much is bad for your health.
| A．Eating | B．Eat | C．To eating | D．Eats |