1.Jim was sad,because he had no partner __________.

问题描述:

1.Jim was sad,because he had no partner __________.
A.to practice English C.to practice English in
B.to practice English with D.practicing English with
为什么选b而不选A和D

语序换一下,你就知道:he practices English with a partner
英语中,大多数情况下,这种介词不能因在最后而省略,这也是初学者容易犯错的地方