You must ______the English course one month before it begins.

On March 23, many people took part in “_________ Lights” activity to help save energy.

Did you take part in the sports meeting last week?—Of course I didn’t, don’t you know that it was ______ because of the rain.

This book on idioms is interesting. I’dlike , where did you buy it, Simon?—In the Amazon Bookstore,

Do you think the Rockets will beat the Lakers ?—Yes . They have better players , so Ithem to win .