问题
选择题
We will have finished ________ Unit 15 by April. We can review all the lessons.
A．learning
B．learn
C．learned
D．to learn
答案
答案：A
做完某事通常说finish doing，故本题选A。
搜题请搜索小程序“爱下问搜题”
We will have finished ________ Unit 15 by April. We can review all the lessons.
A．learning
B．learn
C．learned
D．to learn
答案：A
做完某事通常说finish doing，故本题选A。