_____ great fun Peppa and George have jumping in muddy puddles (泥坑)!( )
What
What a
How a
How
Tu Youyou is the first Chinese to win the Nobel Prize in Medicine,she ______ by more people nowadays.( )
know
knows
is known
was known
My father used to drive to work,but he is used to ______ now.( )
walking
walked
walks
walk
You ______ stop when the traffic light is red.( )
can
could
may
must
Study hard,______ you won't catch up with your classmates.( )
and
or
but
if
Mary runs ______ of all the girls in her school,and she won the 100﹣meter race last month.( )
nearest
highest
fastest
slowest