This printer is of good quality. If it _______ break down within the first year, we would repair it at our expense.
| A．would | B．should | C．could | D．might |
I didn’t manage to do it_________ you had explained how.
| A．unless | B．until |
| C．when | D．since |
Here’s my card.Let’s keep in_________.
| A．touch | B．relation |
| C．connection | D．friendship |
._________ in the fog,we spent two hours in the forest.
| A．Lost | B．To lose |
| C．Losing | D．Having lost |
.—Can I help you?
—I’d like a room with a bath.How much do you_________?
| A．offer | B．afford | C．charge | D．spare |
Have you determined_________?
| A．next to do what | B．what to do next |
| C．how to do next | D．next how to do |