to bed early, but I left my bedroomlamp on ______ my parents think I _______.

______, he can speak three foreign languages fluently

_____ private cars bring us convenience, they also cause more traffic accidents and pollution

Why didn’t you take part in the school reunion （团聚、重聚）yesterday? –I’m sorry, but not until last night ________ of it.

If it is clear tomorrow , I ________a bike to the underground station.