问题详情：
词汇 ：用所给单词的适当形式填空
is not easy______(answer) these questions.
2.I hope_____ ( make ) a new kind of flying machine.
y is much _____(tall) than before.
makes her son_____(clean) his bedroom every morning.
took me twenty minutes_____(walk) to the train station.
【回答】
answer 2. to make
3. taller 4. clean 5. to walk
知识点：语法填空
题型：完成句子
