Ⅰ. Complete the sentences with proper words.
1. I'm doing a (研究) on the subject.
2. Our country leads the way in space (技术).
3. The ancient palace is now open to the (民众).
4. My parents lent me the money. (否则), I couldn't have paid for the trip.
5. Confucius was a (先驱) in the field of education.
6. He was praised by the teacher for his (brave).
7. You need to make efforts to (achievement) your goal.
8. All (contribute) will be gratefully received.
9. She (spend) all her pocket money on the dress yesterday.
10. Experts suggest that we should take exercise (regular) to keep fit.

1. research 2. technology 3. public 4. Otherwise 5. pioneer 6. bravery 7. achieve 8. contributions 9. spent 10. regularly

1. "研究"对应的英文单词是"research"，为不可数名词，直接填入。
2. "技术"对应的英文单词是"technology"，为不可数名词，直接填入。
3. "民众"对应的英文单词是"public"，"open to the public"为固定搭配，填入"public"。
4. "否则"对应的英文单词是"Otherwise"，位于句首首字母大写，填入"Otherwise"。
5. "先驱"对应的英文单词是"pioneer"，前面有不定冠词"a"，用单数形式，填入"pioneer"。
6. "brave"的名词形式是"bravery"，形容词性物主代词"his"后接名词，填入"bravery"。
7. "achievement"的动词形式是"achieve"，"need to do sth"后接动词原形，填入"achieve"。
8. "contribute"的名词形式是"contribution"，"all"后接可数名词复数，填入"contributions"。
9. "yesterday"表明时态为一般过去时，"spend"的过去式是"spent"，填入"spent"。
10. "regular"的副词形式是"regularly"，修饰动词"take exercise"用副词，填入"regularly"。