1.Tell Mary that there's someone ____for her at the door.
A. waiting B. waited C. waits D. to wait
2.There, in the corner, ___ some girls, ____.
A. sit ,sew B. sat ,were sewing C. sit, to sew D. sat , sewing
3.The man ____in the chair asked me to ____.
A. seated; seated B. sitting; sitting C. seated; be seated D. seating; seat
4. ___the road, be careful.
A. While crossing B. When cross C. Crossed D. Being crossed
5. The salesman scolded the girl caught_____ and let her off.
A. to have stolen B. stealing C. to be stealing D. to steal
6. In order not to be disturbed, I spent three hours＿＿in my study.
A. locking B. locked C.to lock D. being locked
