1.Along with the letter was his promise _____ he would visit me at christmas.
A Which B that (答案是B 为什么不是 Which 呢?谢谢解答)
2I hate ______when people talk with their mouths full
A it B that (答案是A 为什么不是B呢?it 和that 都什么时候用? )
3The hens laid _________eggs last month .
A two dozen Btwo dozens of (答案是A ,如果是B后面应加集体名词吗?请讲讲..)
4 The percentage has risen by 2% this year (campare with) last year
为什么不加TO呢?