The small window in the wall could ______ some light into the room.
There are fifty students in our class. 30% of them are girls. _____ of them are boys.
_ wellprepared a gymnast is, he still needs a lot of luck in performing.
Where would you like to go this weekend— I’d like to go somewhere .
It is really fun to hike and I often go hiking in the forest.–But hiking alone in the forest ______ be very dangerous.