efore I left London, _____ I sent hima telegram.

Ben is a foreign teacher. So far, he ______ in our school for five years.

– Do you still remember when we wentto the Summer Palace — I can’t remember it well, but it _____sometime last July.

the global financial crisis, theChinese government has taken many measures ________ people’s life to deal withit

下面组中的字母顺序前后是正确的。