I don’t know whether the computer was lost or stolen； , it’s gone

Do you know a concert _____ in our hometown next month?

When did your cousin arrive Shenzhen— He got to the airport the morning of the 28th November.

graduation, more senior students in themainland are applying for admission to Hongkong University.—______. But studying in Hongkong may cost more.

The women under the tree are _______ mothers. They are old friends.