It’s cloudy. You had better an umbrella.A. takeB. to takeC. takingD. takes

问题补充：

It’s cloudy. You had better an umbrella.

A. take

B. to take

C. taking

D. takes

答案：

(答案→)A. take

B. to take

C. taking

D. takes

解析：句意：今天多云。你最好带一把雨伞。 情态动词had better后街动词原形，故选A。