几道初中英语单项选择,解析,
IthinkMrs.Blackwillcometohelpuswiththecelebrationifshe____D__toobusy
tomorrow.
A.isB.willbeC.won’tbeD.isn’t
.Look,it’sraining____C__.Allofuscan______gohomenow.
A.hard,hardB.heavy,hardC.hard,hardlyD.heavy,hardly
Hehadlittlebreadforbreakfastthismorning,_C_________he?
A.hadn’tB.hadC.did
为什么选择这些答案,解析噢,