Question

— You can’t imagine ________ great fun playing computer games is.
— Really? But it may cause you a lot of trouble.

A．what a

B．how

C．what

D．how a

Answer 1

C

以what引导的感叹句的基本句型结构为what a/an +adj+可数名词单数+主语+谓语！；what+adj+可数名词的复数/不可数名词+主语+谓语！以how引导的感叹句的基本句型结构为how+adj/adv+主语+谓语！