一、用正确的a和an填空.1、（ ）cat can catch mice.2、The ant is ( ) insect .3、Lucy spends ( )hour doing her home work everyday .4、Bob's father is ( )engineer .5、John is ( ) honest boy .1.( ) number ...
一、用正确的a和an填空.1、（ ）cat can catch mice.2、The ant is ( ) insect .3、Lucy spends ( )hour doing her home work everyday .4、Bob's father is ( )engineer .5、John is ( ) honest boy .1.( ) number ...