1 When did he go?
He went to another store___
A to buy slacks
B for buy slacks
C buy slacks
D buying slacks
答案是A
为什么不可以选D?
文法书说过Ving是正在发生或是已经在发生
这样对应went不是比较合理吗
to buy 感觉是将要去
2 To get an education,____
A one must work hard
B working hard is necessary
C there is need to work hard
D hard work is needed
请问为什么不能选B