I found it _________ to watch the baseball match last night.— Me, too. I have never watched a better one before.

The procedures(程序) of operating a computer have been ______ several times, the results of which have made it much easier _______.[ ]

Professor Smith gave us a speech last month, ______he expressed his concern about the current global economic trends.

It’s four o’clock! Everyone _____ a good time on the playground.

How long have you________?— It is about ten years since we________[ ]