The teacher told him to speak louder ________by everybody.
A．so as to be heard B．so as to hear
C．in order that heard D．in order to hear
Everyone here will thank the firefighters for the things they did to prevent fires ________the environment safer.
A．to make B．make C．making D．from making
She always goes swimming ________cold it is.
A．however B．no matter C．although D．whatever
—We'd like you to start work tomorrow if possible.
—I'm sorry, but I can't possibly start until Monday.________？
A．Do you agree with me B．Is that a good idea
C．Do you think I'm right D．Will that be all right
Look out! The train ________.
A．leaves B．is leaving C．has left D．left
Do you think exercise can keep us ________？
A．well B．good C．fit D．fine
