Tina sat under the tree half an hour ago．（用now改写）

Tina ________,________under the tree now．

[问答题]But for the bad weather, we would have got home half an hour ago.

[主观题]a half hour and made sure that the girl was all 84

[试题]a half hour and made sure that the girl was all __________84

[单选题]About half an hour before the engine is required, cooling water at （） must be circulated.A . more than the working temperatureB . less than the working temperatureC . the working temperatureD . the same as the surrounding temperature

[单选题]She ______________home an hour ago.A.arrivingB.to arriveC.having arrivedD.a

[主观题]It took him half an hour to do his homework．（改为同义句）H．e__________ half an hour__________ his homework．

[单选题]Do you know the man ______under the apple tree?A.layB.lainC.lyingD.laying

[单选题]A．bout 150 years ago，a musician sat quietly at a concert in Vienna. He was playing his new symphony. He couldn‘t (11) that the audience were clapping wildly. He was deaf. He was Beethoven，one of the greatest musicians who ever lived.B．eethoven wrote

[单选题]5． —My bike(自行车) is under the tree． Where is __________ bike?—It is in front of my house．A．youB．yoursC．yourD．/

[问答题]Young persons under twenty-five make up nearly half of the Americanpopulati