_________ I met some difficulties, Larry always came to help me.

Being examined twice a year，whether it is a car or a bus or a truck，is the rule that every driver _______obey in this city.

, where Sound strange

I’d ______ the operation unless it isabsolutely necessary.

Many a time，the Chinese government urged that American government stop sellingadvanced weapons to Taiwan，but it__________ listen，__________Sino-US relations