-____you ever ____with a group? -Yes, I have .
The teacher told Jack _______ off the light when he left the classroom.
turn
turning
to turn
I want to buy something special for my grandmother, _______ her birthday is coming.
because
although
so
The air in Huaihua is _______ than before.
good
better
best
As we know, Singapore is _______ Asian country.
a
an
the
—I think it’s a good habit to _________ new words in a dictionary.
—Yes, that’s helpful to us.
look after
look up
look at
look for