We ___ (see, saw) a lot of new houses___ (on, in) our way ___ (to, from) school.
At________ time, I’m sad to say goodbye to you. ( )
| A．same | B．the same | C．difficult |
We’re going to say goodbye ________ our primary school. ( )
| A．in | B．on | C．to |
He ____ a video ____ his space travel. ( )
| A．made, at | B．made, about | C．make, about |