Now most families have only one child _____ our country’s one-child policy.
Thank you for offering me _____.
Are you ______when someone looks at you in______ ?
What ways can you think of _________ out the physics problem?
I don’t know ______to do with the maths problem. It’s too hard.
—Thank you, Mille and Kitty. It was kind of you to help me with my lessons.—_______.