If you _________ the magazine, you will get an extra newspaper.
| A．take to | B．apply to | C．submit to | D．subscribe to |
“Sorry” is the hardest word to say sometimes. _______ you know you’ve done something wrong, or something inappropriate, it takes courage to say sorry.
| A．Only if | B．Even if | C．If only | D．As if |
______ for the breakdown of the school computer network, Alice was in low spirits.
| A．Blaming | B．Blamed | C．To blame | D．To be blamed |
With more and more forests disappearing, today the public is much concerned about the way _________.
| A．nature is being ruined | B．which nature is ruined |
| C．on which to ruin nature | D．of nature to be ruined |
Without the friction (摩擦力) between feet and the ground, people would ______ be able to walk.
| A．in no time | B．by all means | C．on any account | D．in no way |
Don’t take his remarks too seriously. He was so sad that I don’t think he really _________ what he was saying.
| A．knew | B．knows | C．was knowing | D．had known |