her retired in 2008, _____ he has been devoting his time to gardening.

______ lucky we are to have so many responsible teachers!

Knowing how long the test would last, the students who finished ____ back and waited until the end of the exam.

Is Steven still in Hainan for his winter vacation—No, he_____ Hainan three times, he won’t go there again.

It was in the small house ___ was built with stones by his father ___he spent his childhood