— I have a bad toothache these days and I can’t sleep well during the night. — I think you should see a __________. A.dentist B.trader C.singer
____ is believed that Bell invented the first telephone in 1876.
I must get my homework ____,
Listen! Joy is singing in the next room.-- It _____ be Joy. She has gone to America.
We all like teachers _____ kind to us.
Lana _____Tony because he kept her waiting so long.