Question

【题目】You are supposed _____ hands when you meet for the first time.

A. to shake B. shake C. shaking D. shook

Answer 1

【答案】A

【解析】

句意：当你第一次见面时，你应该握手。在动词短语be supposed to的后面用动词原形，意为“应该做某事”。故选A。