In autumn when leaves _________yellow， they soon begin to fall down to the ground.
A. keep B. turn C. stay
—Is this Sam's bike or yours? —It's my bike， not_________.
A. yours B. him C. his
Alice ran _________Lucy， so she got to the end_________.
A. as fast as； earlier
B. faster than； earlier
C. faster than； the earliest
You _________stay in bed any longer. Get up to work quickly!
A. must B. won't C. can't
There is _________big square in _________center of our city.
A. a； the B. the； a C. the； the
—Please give this note to John.
—OK， I'll give it to him as soon as he_________.
A. is coming back
B. will come back
C. comes back
