1.He has done everything he __ those who lost their parents in the disater.(B)
A.did to help B.could to help C.could help D.did help
2.It is high time you __ your homework.(D)
A,do B,home done C,will do D,did
1.He has done everything he __ those who lost their parents in the disater.(B)
A.did to help B.could to help C.could help D.did help
2.It is high time you __ your homework.(D)
A,do B,home done C,will do D,did
B定语从句,everything后省略了关系词that,everything(that)he could是完整的从句,to help是目的状语,是句子的一部分。
D这是固定用法,如果前面用现在时,后面要用过去时。如果前面是过去时,后面就要用完成时,记下来就行了。同用法的还有It's right time...
1.B
2.A