Why did she get so mad It was only a joke.

Most people find it hard to ________Beijing Opera toforeigners because of cultural differences.

We hope that as many people as possible _____ join us for the picnic tomorrow. [ ]

eeling more and more pressure fromthe environment _______, the government has decided to close down the factoriespouring out poisonous chemicals.

Jim talked for about half an hour yesterday. Never ______ him talk so much.