第七章测试2. The boat wouldn’t have drifted away, if we __________ it up.（ ）
A:tied B:have tied C:would have tied D:had tied
答案:D
3. We must ________ our products and make them outstanding. （ ）
A:memorize B:apologize C:individualize D:sympathize 4. As you ________ the town, you'll see the college on the left.（ ）
A:improve B:approach C:resume D:sharpen 5. People in public life must always be open to ________.（ ）
A:paycheck B:tourism C:landmark D:criticism
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