______raised in San Francisco, Dave Mitchell had always preferred to record the plain fact

The most popular product（s)at Googles developer conference in San Francisco was／were______

The Chinatown in San Francisco attracts______tourists a year.A．20,000B．100,000C．7 millionD

San Francisco is usually cool in summer, but Los Angeles______is.A．barelyB．scarcelyC．hardl

Smith would rather have left for San Francisco than______in New York.A．stayedB．to stayC．st

Though______in San Francisco, David Mitchell had always preferred to record the plain fact

I am so glad to be back again in San Francisco. Thank you for coming to the ______to meet