In April, thousands of holidaymakers remained abroad due to the volcanic ash cloud.
John Hope Franklin was _______ respected historian and social activist, who wrote about race and _______ struggles of black Americans.
-- I’m very tired, helping with the clothes.----Why not take a rest ,then? ----- ________.
Oh, it’s so cold in here. Somebody ____ the window, please.
. -----Excuse me. Could you direct me to the nearest post office? ______ straight on and you’ll see it on your right.
. –----- Have you been to the Great Wall? ------ Perhaps not in my memory. _______, it might have been during my early childhood.