— How about the book you are reading now?— Excellent indeed You can find many problems we have come across ________ in it[ ]

The girl _____ glasses is my friend. Her name is Kelly.

Nearby were two canoes ____ they had cometo the island

It was quite a serious accident,________caused by careless driving.

You often talk with your classmate on thetelephone or mobile phone— _____． I like usingQQ．