there were too many stones on the roads, the soldiers (战士) walked to Lushan County in Ya’an Earthquake.
There are five people in the room, but I know _____.
—What did our geography teacher say? —She told us that the earth _____ around the sun.
—Lily, _____ you _____ your ticket? —Not yet!
We couldn’t wait _______ a good rest after the exam.
Although we’ve learned English for years, we have trouble _____ the foreigners.