【題目】This kind of sea fish doesn’t keep easily. You had better put it in the refrigerator so that it will fresh.

【題目】What are the speakers mainly talking about?

【題目】_____, I could not memorize the text.

【題目】Since you have such good preparations, there ______ be any problem about passing the

【題目】Steven was playing the violin loudly the whole night．But I wasn’t bothered by his loudness so much as by his lack of ______ .

【題目】 Supporters of underground development say that building down ______ building up is a good way to use the earth’s space.

【題目】What are you doing? Don't you know it is ________ to read people's private letters without permission?

【題目】The manager's demand was that the data ____________ e-mailed to Mr. Andrew without delay.

【題目】— Oh, my God，I left my portable computer in the taxi!

【題目】