It took him half an hour to do his homework．（改为同义句）

H．e__________ half an hour__________ his homework．

[试题]H．e took his umbrella with him lest it______(rain).

[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

only half an hour to finish the experiment .A. I took myselfB. It took meC. It r

[单选题]Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape fr

[单选题]Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape fr

[单选题]Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape fr

[单选题]Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape fr

[单选题]Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape fr