(届北京市海淀区高三下学期期中练习)Mr. Smith couldn’t open the door because his naughty boy ______ it from the inside.
Her fairy tales didn’t kids probably because she employed too many scientific terms.
—How did he get my telephone number? —You ________ it . You told him last week.
When I got back home, I saw a message pinned to the door“ Sorry to miss you, I will call later.”
Present at the meeting .
Scientists are convinced _____ the positive effect of laughter _____ physical and mental health.