________ I got back, I found my mother cooking for me.
| A．When | B．Before | C．Since | D．Although |
Is Tom at home?
No, he_______ to town.
| A．has been | B．has gone | C．goes | D．will go |
It’s cold outside. _________ your sweater before you go out.
A. Put on B Turn on C. Put up D. Give up
I saw him in the library yesterday. He ________ a book at that moment.
| A．reads | B．is reading | C．was reading | D．will read |
He promised ______his old friend during his stay in Tianjin.
| A．see | B．seeing | C．saw | D．to see |