Question

--I'll be waiting for you at home.
-- ______ I were busy and couldn't come?

A．What if

B．What when

C．How if

D．How when

Answer 1

A

试题分析：考查情景交际。句意：--我会在家等你。--假如我很忙而不能来会怎样？What if假如......将会怎样。故选A。