三个选择题(急!在线等答案!)1.I had just started back for the house to ch
三个选择题(急!在线等答案!)
1.I had just started back for the house to change my clothes ___ I heard voices.
A. as B. after C. when D. while
2. I have kept the picture of my pet dog ___ I can see it everyday.
A. which B. when C. whether D. what
3. He is ___ an artist than his twin brother.
A. much of B. much as C. more of D. until
选哪个答案,并且讲下原因.
第三个more of是什么意思
标准答案是BBC,谁能解释清楚也可以
如果第二个选whether,那句子好象没有意思吧?