【題目】The manager has offered Helen a position in the company, but he doesn’t know _____ she will accept it.

【題目】If you are unable to attend the interview, for _____ reason, you should inform us as soon as possible.

【題目】Bob was upset when he found that all his roommates had gone to the party _____ him.

【題目】The boy took away the woman’s necklace without ______.

【題目】Robert’s new book about space exploration is wonderful. You simply _____ read it.

【題目】The only time that we _____ to do something like doing some volunteer work was in the city of Philadelphia.

【題目】How long does it ______us to travel from New York to Beijing by air.

【題目】______ has been done to beautify the environment of the city by the government.

【題目】—Shall we start right now? Our train leaves in half an hour.

【題目】You can enjoy every right the law has given you, but make sure all your behavior is within the _____ of the law.