1.[教材P26原句]In the city，the water pipes in some buildings cracked and burst.
翻译：_____________________________________________________________________________
burst vi. ______________ n. ______________
相关短语：burst in _______ burst into ______ burst out ______ burst with joy/anger______
突然哭起来/突然笑起来：①_________________; ②________________.
练习：(1) 用上述短语根据语境填空
On hearing the news, Lucy _______ laughter while Mary ______ crying. Mary couldn’t help ______ the meeting room to ask the manager why.
