a. have been
b. was
c. am
d. will be
請幫我解釋為什麼及中文翻譯,感謝:))
更新1:
是因為後面用in the last two weeks所以不能用was嗎? 像 I was very busy last week. 這樣用可以嗎? 感謝:))
更新2:
http://tw.knowledge.yahoo.com/question/question?qid=1612122402054 我這邊有另外一題,這邊有人可以去回答嗎? 因為目前為止的答案都是不對的:( 跟書上不一樣........