There are _____floors in the building.We live on______floor.( )
the ninth; the ninth
the ninth;nine
nine; the ninth
nine;nine
"Tom, would you please take out the rubbish?"
"Just a minute, mom, I ________ a phone call."( )
make
makes
am making
"Do you know ________ the school library closes, Susan?"
"Ten o'clock at night."( )
when
why
who
The doctor looks tired and sleepy ________ he stayed up late to look after his patients yesterday.( )
because
if
unless
I'm going to choose some online courses with a friend of ________ to improve our English.( )
me
my
mine
"Excuse me, could you tell me where I can buy a guidebook?"
"Sorry, I'm new here. You ________ ask the policeman over there."( )
shall
can
must