Everyone knows that ______ is dangerous to play with fire, but ______ is difficult is to prevent children from playing with fire.
| A．it, it | B．what, what | C．it, what | D．what, it |
I’m interested in a one-bed room. Do you have any ___________________?
| A．convenient | B．available | C．possible | D．personal |
We have _________ our position on the issue (期刊)! Whatever happens, we won’t change it.
| A．introduced | B．explained | C．clarified | D．acquired |
A good story does not necessarily have to have a happy ending, but the reader must not be left __________________.
| A．unsatisfying | B．unsatisfied |
| C．to be unsatisfying | D．being unsatisfied |
Don’t worry. I’ve ____________ a car to pick up the guests at the station at 6 o’clock.
| A．arranged | B．arranged for | C．prepared | D．prepared for |
To understand the grammar of the sentence, you must break it ___________ into parts.
| A．up | B．down | C．off | D．out |