1、"Will you be able to finish the job this week?" " _____ ."

　　A. I can't say it　　B. I don't know that

　　C. I'm not sure this　　D. I don't expect so

　　2、Only after a baby seal is pushed into the sea by its mother _____ to swim.

　　A. how will it learn　　B. it will learn how

　　C. will it learn how　　D. and it will learn how

　　3、_____ he was ill, I was expected to take his place greatly surprised me for I didn't have much working experience.

　　A. If　　B. That if　　C. That　　D. If that

　參考答案&解析：

　　1、D　I don't expect so. = I expect not. 能這樣使用的動(dòng)詞還有believe, think和 suppose；而在hope等動(dòng)詞后，否定形式只有 I hope not. 不能說 I don't hope so. 故答案為D。

　　2、C　how to 要連在一起使用，故排除A。only加狀語提到主句前面時(shí)，主句中主語和謂語用部分倒裝。故答案C。

　　3、B　that引導(dǎo)的是主語從句，而 if 從句是that主語從句中的條件狀語。故答案為B。