—I’m worried about my English.—_____ harder, _____you will catch up with your classmates.
Daniel likes ________ basketball, but he ________ at home right now.
Does Simon have two ________ of ________ ?
— ________ there any American teachers in your school? —________ .
Daniel prefers ________ swimming on Sundays..
Did you spend 20 dollars ________ this computer game?