. The boys enters the classroom, smiling and______, and_______down to have their lessons
Many countries __________ the Third World are developing quickly
With no central government, the island was ruled by kings,__________ a different region of the country.
-These suitcases are too heavy for me to move. -Here, I'll give you a hand __________ them.
When he left the room, he __________ the door key to me.
The film's ending follows a set pattern, but,__________,it is worth seeing a second time.