补全单词.
问题描述：
补全单词.
1.It's d______ to finish this work.
2.Listening to the radio is good for m_____ words.
3.Mrs.Li i_____ me to English club yesterday.
4.I want to learn about some i_____ about Beijing.
3Q!
第一个回答的同学是正确的.
答
difficult
memorizing
invited
information