A．只在液体表面发生
B．只在液体的内部发生
C．在液体的表面和内部同时发生
D．在液体的表面和内部都不发生
答案：C
—I hear that Lily’s brother is a worker here.
—Look, the man _________ is working over there is her brother.
A．who
B．whom
C．what
D．which
妄谓人愚我明，人生我熟，此孟浪之流也。______
