The girl ________at the party yesterday is missing today.
A．referring to B．refer to C. referred to D．to refer to
Mary got up early________ she could prepare breakfast for her brother.
A．so that B．although C．as if D．even if
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
