They found________difficult to communicate with the boy.
“Where’s my book? I can’t find it”.“It _______ on your desk.”
Did you finish __________ the book yesterday?
“I’m taking a long vocation. I’m going to the Great Wall.” “ _______ .When are you leaving?”
I didn’t go to bed _______ my sister came back.
He can’t play soccer__________, __________ he practices it every day.