【題目】Unfortunately，what the research center spent five years doing had no _______________(實(shí)際的)use.

【題目】—Won’t Terry be upset?

【題目】The thought of going back home was all ______ kept him happy while he was working abroad.

【題目】Last month, part of Southeast Asia was struck by floods, ______ effects people are still suffering from.

【題目】Your senses become alert and you suddenly find the answer to a problem ________ solution has long escaped you as a brilliant thought crosses your mind.

【題目】Entering the step-classroom (階梯教室), I found the lecture ________ and the people ________ attentively.

【題目】Come to see me if it is ________________(方便的)for you.

【題目】She was looking for her bicycle key ______ she thought she might have put it.

【題目】Attempts to find a _______________（解決辦法）have failed.

【題目】You will find taxis waiting at the bus station ______ you can hire to reach your host family.