The country life he was accustomed to________ greatly since 1992. 

— So how long have you been in Beijing? — Just a couple of days. I’m on a great tour, you know, and I ______ all the places of interest here. 

Jimmy didn’t notice his head teacher entering his bed room. He _____a phone call.

I asked him to come at 8 o’clock, but he _________. It’s already 9 now.

—Have you thought of the topic for the composition? — Not yet．I _____ it very carefully, but I haven’t decided.