A
本来是 see sb.do sth
但在被动语态中,to 要还原,也就是要加个to
He was seen ------------the building.A to enter B enter Centers Dentered
He was seen ------------the building.A to enter B enter Centers Dentered
英语人气：707 ℃时间：2019-12-05 13:12:08
优质解答
我来回答
类似推荐
- he was seen to enter the building about the time the crime was committed.后面the crime was committed是定语从句还是时间状语从句,前面可以加whe
- He must be in the building because he was seen()the building just now. A.enter B.to enteC.enteringD
- (1/2)感官动词没被动语态,可He was seen(to enter)the building about the time when th
- 1.He was seen____ (enter)the huose just now.2.My dream is ____(travel) to the moon
- He saw the man enter the building just now The man was ____ ____ enter the building just now
猜你喜欢
- 1急求中西方餐桌礼仪差异相关的英文参考文献（书或者是学术论文）,
- 2加热31.6g高锰酸钾制氧气当试管中固体质量为28.6g停止加热此时试管中各物质的质量是多少?
- 3因式分解（m+n）的平方-4（m+n）+4
- 4为什么含碳量更高的生铁比含碳量低的钢硬度更小?不是说含碳量越高硬度越大吗.
- 5把弯曲的公路改直后,缩短了公路的路程,这是因为什么?
- 6在直角坐标系xOy中，记不等式组y-3≥02x+y-7≤0x-2y+6≥0表示的平面区域为D．若指数函数y=ax（a＞0且a≠1）的图象与D有公共点，则a取值范围是 _ ．
- 7谁知道有关动物与天气的谚语呀?
- 8用0,0,0,0,8,8,8,8这八个数字,组成读出两个零的不同的八位数
- 9非欧用电器有电阻吗?非欧用电器上也有电压吗?那它的电能是转化为机械能了吗?
- 1049的10次方×49分之一的11次方等于级