John opened the door . There _____ he had never seen before. ( )
A.a girl did stand
B. a girl stood
C.did a girl stand
D. stood a girl
第1题:
A.CY-CY
B.CY-DOOR
C.DOOR-CY
D.DOOR-DOOR
第2题:
John's score on the test is the highest in his class, he ______ very hard.
A. must have studied
B. should have studied
C. must study
D. should study
第3题:
第4题:
A.opened…open
B.open…was open
C.open…opened
D.opened…opened
第5题:
第6题: