题目内容
选择恰当的连词
________(when/as/while)I stopped my car, a man came up to me.
________(when/as/while)you have finished your work, you may have a rest.
________(when/as/while)the day went on, the weather got worse.
________(when/as/while)we left, it began to rain.
Here in China, it is summer days ________(when/as/while)there in Australia it is winter days.