I’m glad you’ve come back from the United States. Please tell me how long you ____there.
| A．have stayed | B．had stayed |
| C．have been staying | D．stayed |
I often go to the cinema _______ a month.
| A．one | B．once | C．two time | D．one-time |
The ________ problems have effects on our life.
| A．social | B．society | C．societies | D．socially |
He passed ________ a university course in China.
| A．on | B．by | C．through | D．into |
Daming has been absent _______ class for a week.
| A．for | B．from | C．in | D．of |
He will speak to us ______ week.
A.the next B.next C.on the next C.on next