急.

急.
Don’t play!-------------------------- is time to have class.
A．That B．It C．This D．Now
He goes to school -------------------------------- bike every day.
A．on B．by C．at D．with
He is a friend of --------------------- .
A．me B．we C．us D．ours
I am not good at long jump.How about -----------
A．run B．runner C．running D．runs
They----------- a good time at Sea World.
A． took B．got C．had D．enjoyed
Fish can’t live------------------ water.
A．with B．in C．without D．in the
Must we read books loudly?No,you------------------ .
A．must B．needn’t C．can’t D．may not
Some animals are in ---------- .We must protect (保护) them.
A．dangerous B．danger C．safe D．safety