I had hardly got to the office ______ my wife phoned me to go back home at once

Jack is nine years old. Today is his birthday.

This returned Chinese scholar has become one of the top experts in this field.—-Yes,I know him very well.He____in Africa with animals for eight years

Will Helen come to meet us today — She’s not very busy these days, so she ____come today.

I saw him _______ out of the room.[ ]