I have a _______. I will go to see a dentist.A. stomachache B. headache C. toothache
— Where’s Maria? —Oh, Maria has gone swimming and .
— He didn’t go the concert yesterday, did he? — . He was busy studying for the tests all day.
He was tired he fell asleep as soon as he lay down.
—How long have you been in Beijing?—_____
—Our government has been in the large population. —That’s great! This problem is very serious now.