Jack ____his keys everywhere ,but he couldn't find them.答案是looked for 为什么是加ed而不是加s
人气：465 ℃ 时间：2019-12-14 01:51:22
解答
因为后半句句子出现了couldn't,说明这句话的时态是一般过去式
所以：使用动词的过去式
即：looked for 加ed就可以不考虑动词的单复数吗动词过去式不区分单复数。那动词ing要不要当然要is doingare doing有区分！！
推荐
- Holding the keys in hand（把钥匙握在手上）,he looked for them everywhere.（hold）,这个我知道,但是改为被动语态的话,为什么是 the keys held in his hand,而
- Though he _____(look) his keys everywhere,he didn't find them
- thongh uncle RAY looked everywhere for his glasses,he could't find them.
- I _____it everywhere ,but i can`t ___it.A.found ;look B.find ;look C.looked;find D.looked for;find
- I lost my keys ,I have ___(looked,looked for,found,founf out) it everywhere
- y^(4)+2y'''+3y''=0通解
- 以下的两种物质能否反应,如果能化学方程式怎么写?
- 恶.差.咽.这三个字都有三个读音.写出读音并组词
猜你喜欢
