1.We had a good time during our_____holiday.
A.two-week's
B.two weeks'
答案选B，为什么不能选A呢？是不是two-week就可以了呢？
2.physics lab是对的，为什么不能physical lab，我有点明白但讲不清楚，请解释一下．
3._____came that Linda won the first prize in the English test yesterday.
A.A word
B.The word
C.Words
D.Word
这题没看懂．
