The teacher with his students _____ playing _____football at this tine yesterday.

Who is speaking there? —It be Uncle Li. He has gone to Shanghai.

Jack’s grandfather ________for more than twenty years.

My English teacher said I’m hard-working. —Really? You’re _______.

Longlong’s father is a businessman. He is very busy, so Longlong only talks _______ him _______ the phone.[ ]