There will be ____ exhibition on education in ____ capital o
There will be ____ exhibition on education in ____ capital of China.
a.an…/ b.an…the
Which sign can’t we find at the airport?
a.Telephones b.Trolley c.Escalators d.Hospital
He went to Tokyo two years ago and hasn’t come back yet.(保持原句意思)
He ___ ______ in Tokyo for two years.