几道英语题求助!!!!!!!!!!!!!!!!!!!!!

1. though与but 不能连用。 去掉任意一个
2. 改为what they are talking about? 特殊疑问句作宾语从句，要用陈述语序
3. 改为did they? 前半句因为nobody的存在而是否定性质，后面反意疑问要用肯定
4.两种该法 要么How many English words did you learn last year？
要么How many English words have you learned by the end of last year
by+时间点，表示到....为止，要用完成时态
选择
1。C 来点吃的怎么样？ to eat用来形容something，表示要something的目的
2. B in+颜色 表示穿什么颜色的衣服。巨资的意思是 在夏天穿白色的衣服比较好
希望能帮到你呵呵

找出句子错误并更正.
1.Though he is old, he is still working hard.
2.Do you know what they are talking about?
3.Nobody knew it,did they?
4.How many English words did you learn at the end of last year？
单项选择
1.What about something (C)
A.eat B.drink C.to eat D.get
2.It's good to be in (B)in summer.
A.black B.white C.orange D.dark blue

1 去掉but
2 are和they换位置
3 didn't改成did
4 did you learn改成have you learnt

1 C
2 B

1,去though或but,因为两者不能同时用
2,应该是：Do you know what they ar