—Can you tell me _____when the teacher came into the classroom?
—Sorry,I don’t know．
| A．what were the students doing |
| B．what are the students doing |
| C．what the students were doing |
| D．what the students are doing |
— Will you show me the photo of your family?
— OK. I'llit here next week.
| A．take | B．catch | C．carry | D．bring |
The government will_______ more colleges for more students to receive higher education.
| A．set up | B．send up | C．set out | D．use up |
---Do the Smiths live next door to you?
---No, but they _________.
| A．used to | B．used to do | C．are used to | D．used to be |
— ______ go to the theatre together with me?
— Good idea!
| A．How about | B．Why do you | C．Why not | D．What about |
–– When did they arrive?
–– They ______two hours ago .They ______ here for two hours .
| A．arrived; have arrived | B．arrived; have been |
| C．got; have been | D．reached; have reached |