适当形式填空1186——1190

1186. She couldn't help  _____ (smile) at the words.

答案:smiling

1187. Would you mind my_____ (open) the windows?

答案:opening

1188. It's no use_____ (ask) him about it.

答案:asking

1189. The boy kept  ______ (wait) outside the hole forabout ten minutes.

答案:waiting

1190. Every morning my grandpa spendshalf an hour______(water)the flowers.

答案:watering