When and where to build a new factory to deal with rubbish ______.
We’d better set off,or it will be dark we know it.
To _______ good relationships with your teachers and classmates, you should learn to be on good terms with them.
Write down the key words that you ____ your students to find in the passage.
Do you know that the first textbooks written for teaching English as a foreign language ____ in the 16th century?
On March 14, violent crimes of beating, looting and burning in Lhasa of Tibet broke out, _____ 13 innocent people and with more than 300 _____.