Question

—Talking loudly in a library is impolite.?
—In fact, we should also  take care not to cough or sneeze loudly in public.?

A．look after

B．be careful

C．take care of

D．look up?

Answer 1

B

短語辨析。look after照顧；be careful小心；take care of照顧；look up向上看，查閱。句意：在圖書館大聲說話是不禮貌的。——實際上，在公眾場所，我們也應該小心不要咳嗽或者打噴嚏。故選B。