Question

【题目】--What are they doing?
--Theyon the beach．

A.lying
B.are lying
C.lie
D.lies

Answer 1

【答案】B
【解析】句意：他们在干什么？他们在沙滩上躺着。对现在进行时提问，故用现在进行时回答，所以答案是B。