1.I often see an old woman ________ newspapers to make a living on the street whenever I pass by the intersection.A.sell\x05 \x05\x05B.sold \x05\x05C.selling \x05\x05D.to sell2.The other day while riding on the street,I noticed an elderly man _______

1.I often see an old woman ________ newspapers to make a living on the street whenever I pass by the intersection.A.sell\x05 \x05\x05B.sold \x05\x05C.selling \x05\x05D.to sell2.The other day while riding on the street,I noticed an elderly man _______
1.I often see an old woman ________ newspapers to make a living on the street whenever I pass by the intersection.
A.sell\x05 \x05\x05B.sold \x05\x05C.selling \x05\x05D.to sell
2.The other day while riding on the street,I noticed an elderly man ________ off the bike all of a sudden.
A.fall\x05 \x05B.falling \x05C.fallen \x05\x05D.fell
3.Last week I drove to Miyun.On the way there,I saw a luxurious sports car ____ by a tractor.
A.hit\x05 \x05\x05\x05B.hitted \x05\x05C.hitting \x05\x05D.to hit
4.The missing boy was last seen _____by the lake.
A.play\x05 \x05\x05B.to play \x05\x05\x05C.playing \x05 \x05\x05D.to be playing

1.I often see an old woman ________ newspapers to make a living on the street whenever I pass by the intersection.A.sell\x05 \x05\x05B.sold \x05\x05C.selling \x05\x05D.to sell2.The other day while riding on the street,I noticed an elderly man _______
1.悬垂结构 see sombody do/doing 前者表示 看到整个过程,后者看到这个片段
2.同上 notice sombody do/doing
3.同上 指的是看到撞的那一瞬间
4.表主动关系时应用到现在分词