1.----I don`t know ____Tom will come this afternoon.----I`m sure he won`t.He has后面还有

1.----I don`t know ____Tom will come this afternoon.----I`m sure he won`t.He has后面还有
1.----I don`t know ____Tom will come this afternoon.
----I`m sure he won`t.He has to look after his sick sister at home today.
A.where B.why C.if D.that
2.----Who did the work____,Kate,Lisa or Lucy
----Lucy did
A.carefully B.most carefully C,the more careful D,more carefully
3.I think I`m ____enough to cook by myself,
A.young B.strong C.old D.smart
4.i was ____ at home
A,lonely B.alone
如果可以说理由，请你们尽量说理由|！