1they have kept （）on this project for thrree years ( work )2the c_英语解答

1they have kept （）on this project for thrree years ( work )
2the children will climb the hill if it ( ) tomorrow A won,t rain B didn,t rain Cdoesn,t rain D isn,t raining 3Neither his father nor he ( ) the island A has been to Bhas gone to C have been to Dhave gone to

人气：486 ℃　时间：2019-08-19 14:05:58

解答

1 working ( keep doing sth )
2 C ( if 引导的从句是主将从现
3 A ( 主语是三单,排除C；而HAS GONE TO 人不在这里,去了某地了）
加油!不明白再问!