Oh! Mum, where's my notebook? I ____ _find it.( )
A.can'tB.needn'tC.shouldn'tD.mustn't
In difficult times, there are always national heroes_____step up and bring people hope.( )
whom
which
who
Even if we learn something well, we will forget it_____we use it.( )
while
until
unless
With the improvement in transportation, students in some small villages no longer go on ropeways_______rivers to schools.( )
to cross
crossing
crossed
"Tara, what's your favorite_____?""Orange. Half of my dresses are orange."( )
fruit
drink
color
______January 25, President Xi told the public that nothing matters more than people's safety and health.( )
From
On
In