was the trouble with you yesterday— When I practised running on the playground, mystrength _____ and I fell onto the ground

73. — You just think of yourself! You kept me waiting for at least three hours. — I’m sorry that you _____ think so.

___ I ask you something, if you are not busy—Yes, ofcourse you _______.

Mom, the telephone is ringing. I guess either you or Dad on the phone.

sa change made by China and the US will witness _____increase in economy, tourism and education.