—Sandy,is Mr Li in the teachers' office now?
—I am not sure.He ______ be there.
A.mustB.can'tC.mustn'tD.may
The debate on whether to keep pets_____forty minutes yesterday afternoon.( )
last
lasted
will last
has lasted
Mr. Zhou is good at cooking and he has decided______his own restaurant.( )
A.openB.openedC.to openD.opening
The film Operation Red Sea_____a lot of praise since its first show months ago.( )
wins
win
will win
has won
Old Mr. Green doesn't feel_____because some students visit him regularly.( )
sadly
gently
lonely
angrily
Mr. Black walked around and offered help____we were doing an experiment.( )
while
although
until
unless.