Question

—What’s that terrible noise?
—The neighbors ________ for a party.

A．have prepared

B．are preparing

C．prepare

D．will prepare

Answer 1

B

由What’s="What" is可知，现在在出声音；进而知道“邻居们正在为一个晚会作准备”，所以用现在进行时态。再说，已经准备好了或者将作准备，我们不可能听得到声音，问句也就不成立了，排除A和D。