The work should _______(not do)at once.用动词的正确形式填空

The work should _______(not do)at once.用动词的正确形式填空 二．用所给动词的正确形式填空.1．Must we ________ the work at once?(start) 选择填空（）3.The work（ ）at once .A .must do .B.should be done they should do the work at once改被动语态 （ )he( )(clean)the windows once a week?用所给动词的正确形式填空 用所给动词的正确形式填空He should __(do)his homework first 关于英语的几个问题I.用所给词的正确形式填空.1.He _______ (not do) his homework at 用所给动词的正确形式填空 My father ______often ______(not have)lunch at 用所给动词的正确形式填空 Sometimes my brother____(not do) his homework a 用所给动词的适当形式填空 He( )(not have to) finish the work today. 用动词的正确形式填空1.Sally _______ _______ (run) in the park now.2.Lo 用所给动词的正确形式填空：Mr and Mrs Black( )(not)work on Saturdays and S