—What do you think of the lecture of Li Yang’s Crazy English?— I think it’s ________ , but someone think it’s much too ________.
The gravity on Mars is only about ________ of that on Earth.
It is hard to imagine what life __________ in 100 years.
My friend John insisted that he had seen ______ alien the day before.
--- What pleasant weather! Shall we go boating on the lake? --- _______.
--Excuse me, can you tell me _______? ---Sure. There’s a good restaurant on Renmin Road.