第一節(jié):單項填空(共15小題,每小題1分,滿分15分)
從A、B、C、D四個選項中,選出可以填入空白處的最佳選項,并在答題卡上將該項涂黑。
21. He couldn’t remember when he first listened to U.S. President Obama’s speech, but he was sure it was _____ Monday because everybody was at ______ work.
A. /, the B. the, / C. a, / D. /, a
22. We ______ to move but are still considering which place to go to.
A. are deciding B. decided C. have decided D. had decided