Question

Since mid July, many areas in Shaanxi       continuous heavy rain, leading to frequent natural disasters.

A．saw

B．had seen

C．has seen

D．have seen

Answer 1

D

考查时态。Since+时间点，for+时间段都与现在完成时连用。根据Since mid July可知，应该用现在完成时，排除A、B；主语是many areas，故谓语用复数。故选D。