As he reached ___ front door, Jack saw ___ strange sight.
| A．the;/ |
| B．a;the |
| C．/;a |
| D．the;a |
all his courage, he invited the lady to get off the train with him.
| A．Being gathered | B．Gathered | C．To gather | D．Gathering |
It seems that living green is easy and affordable. A small step makes a big difference.
| A．surprisingly | B．fortunately | C．exactly | D．hardly |
If you visit our home or ring the doorbell, you by our dog.
| A．were greeted | B．will greet | C．will be greeted | D．greeted |
—Sorry, I have to now. It’s time for class.
—OK. I’II call back later.
| A．break up | B．hang up | C．give up | D．hold up |
Kids are not allowed to leave kindergartens their parents come to pick them up.
| A．unless | B．since | C．although | D．because |