选B.
如果if放在句首,主谓位置不能调换；用虚拟语气时如果倒装,只把助动词、系动词和情态动词放到句首而不把实义动词放在句首,由于C选项中的had是实义动词（拥有）,所以应选B.
_______time,they would certainly come and help us.
_______time,they would certainly come and help us.
A.If had they
B.If they had
C.Had they
D.Both B and C
Explain it.
A.If had they
B.If they had
C.Had they
D.Both B and C
Explain it.
英语人气：548 ℃时间：2020-02-19 19:45:12
优质解答
我来回答
类似推荐
- ___time,they would certainly come and help to do the work.
- 英语翻译
- They make a promise _they would help us when we had trouble选什么
- They would like _trees.Would you please __ them?A to grow,help B growing,to help C to grow,to hel
- Come and join us,Jimmy!I'm sorry,but I'm really busy now.If I( )time,I would certainly go
猜你喜欢
- 1一点一分用英语怎么说
- 2刘禹锡 陋室铭中的对偶句
- 3一个乒乓球从25米的高处落下,每次弹起的高度是下落高度的五分之二,他第几次弹起的高度低于0.5米?
- 4物块延斜面向上运动,满足什么条件摩擦力做正功?
- 5it is six o'clock ,the students ( )(watch)a football game
- 6描写高兴的四字词
- 7如图，在▱ABCD中，EF∥BD，分别交BC，CD于点P，Q，交AB，AD的延长线于点E，F．已知BE=BP． 求证：（1）∠E=∠F； （2）▱ABCD是菱形．
- 8求一个N阶行列式的解法
- 9乌云和大雨一起从空中倾泻下来这句话怎么改
- 10I didn’t stop loving you,I just decided to stop showing it.