一般现在时练习一 单项选择1 His mother _ in the supermarket A work b works c does d working 2 Open the window , _ open the door A Dont b Isnt c Not d Not to 3 Who _ you English this term ?A does teach b teach c teaches d teaching 4 John _ _ things. Now hes making a toy boat A like make b likes make c likes making d like to make 5 He can _