Is ________ some German friends visited last week?
| A．this school | B．this the school |
| C．this school one | D．this school where |
When we saw the roadwith snow, we decided to spend the holiday at home.
| A．block | B．to block | C．blocking | D．blocked |
Hurry up! Mark and Carlus.
| A．expect | B．are expecting | C．have expected | D．will expect |
Many countries are now setting up national parksanimals and plants can be protected.
| A．when | B．which | C．whose | D．where |
I have an appointmentDr. Smith, but I need to change it.
| A．to | B．off | C．with | D．from |
--- Do you think Mom and Dadlate?
--- No, Swiss Air is usually on time.
| A．were | B．will be | C．would be | D．have been |