There is a ______ going on in America public schools over the best way to teach English to foreign students.
After graduation she reached a point in her career __________ she needed to decide what to do.
The village has developed a lot __________ we learnedfarming two years ago.
Theywill fly to Washington,__________ they plan tostay for two or three days.
I will give you my friend's home address,__________Ican be reached most evenings.
Alice received an invitation from her boss,__________ came as a surprise.