—Are there any animals in the zoo?—
--- Shall we meet at the station at 8 a.m.?--- In fact we _________. The train _________ until 10 a.m..
Mike _________ English, but now he is better at it than _________ in his class.
About _____ of the workers in my company ______ to work every day.
Generally speaking, there _______ be any survivors(幸存者) after such a long time. However, two young people were found _______. Life is super-nature!
Last month I traveled across the Sahara Desert by ______ camel with some locals.What ________ amazing experience!