More and more children are interested in blind boxes __________ they wonder what is inside.
so
because
unless
though
The notebook ___________ be John's .There is his name on it.
-- I think the red car _______ belong to Miss Wang because she bought a new car yesterday. --It __________be her car’s because her new car is blue.
------Must I finish my homework now ? ------No, you _________ . You can do it tomorrow .
We be too careful while dealing with these social problems.
——He can write well. ——He_____, but he doesn’t. He’s too lazy.