After several campus (校园) attacks (攻击), many schools across the country have already
taken action____________ their campuses ____________.
A. making, safe B. made, safe C. to make, safer D. make, safer
The assistant won’t let you__________ the cinema if you haven’t a ticket.
A. enter B. to enter C. entering D. entered
（2012聊城）________English well，one must have a lot of practice．
A. Speaks
B. To speak
C. Spoken
D. Speak
Our English teacher advises us ____________part in all kinds of after-class activities.
A. to take B. take C. taking D. to taking
How kind you are! You always do what you can_________me.
A. help B. helping C. to help D. helps
I often hear her ____ this song. Listen! Can’t you hear her ____ in the next room?
A. sing; sing B. singing; singing C. sing; singing D. singing; sing
