China has a growing number of middle-class parents who _____ for years to get their only child into a top school.
----- I’m sorry I’m late. I got held up in the traffic on my way here. ----- ___________
Only when he reached the tea-house ______ it was the same place he’d been in last year.
Grammar mistakes of this kind _____ widely among Chinese students.
You can use a larger plastic bottle, ____ is cut off, ____ as a pot to grow flowers in.
Do you remember the day when you ____ the Party?