Ⅰ.单句语法填空
1．Part of the reason for that is that these pesticides appear ________(stick) around in the environment and stay dangerous for longer periods of time.
to stick [句意：与这有关的部分原因是这些杀虫剂似乎更长期地存在于环境中并持续具有危险性。appear是连系动词，后接不定式作表语。]
2．________ (receive) your purchases in time, make sure the express company knows your address exactly.
To receive [句意：为了及时收到你购买的物品，要确保快递公司准确地知道你的地址。此处是动词不定式作目的状语。]
3．However，many netizens on Sina Weibo don't think Ele.me is providing a wonderful service，saying it just want ________(make) money.
to make [句意：然而，新浪微博的网民们并不认为饿了么在提供好的服务，说它只是想赚钱。此处是不定式作宾语。]
4．This course is of great interest to students ________ (hope) to improve their writing skills.
hoping [句意：希望能提高写作能力的学生对本课程有极大的兴趣。此处是现在分词作定语。]
