1．(2011年南通一模)—Where have you been all day?
—I________some former classmates and I couldn’t get back until it was dark.
A．have met B．met
C．would meet D．had met
解析：选B。考查动词的时态。应答句是陈述过去的一个事实，用一般过去时，选B。
2．(2011年合肥第三次教学检测)—I called you last night，but nobody answered.
—Oh，I usually________off my cellphone by 8∶00 p．m..
A．switched B．have switched
C．switch D．had switched
