–Look! A man is cutting a tree on the moon.--It ______ be true. The teacher said there is no air on the moon.
It has been sunny these days, so I ______ it ______ tomorrow.
----______has Tom been a doctor ? -----Since two years ago.
Mr Hu has travelled to six countries _______.
Though he is _____ at home ,but he doesn’t feel ______
---I feel _____ hungry now. ---- Why not go for dinner with us .