以下選擇題旁邊附有答案,幫我用英文解釋番點解要選擇呢個答案r!!thx*
1.-can I take my composition back,Mr.white?[C]
-Not right now,___by now.
A.I am reading it B.I have read it
C.I've been reading it D.I read it
2.They___ the summer palace three times.[B]
A.have gone to B.have been to
C.have been in D.have gone into