---____ do you study for a math test? ---I study math ____ lots of exercises.
| A．What, by doing | B．How, by doing | C．How, doing | D．What, doing |
Simon has spent _____ on his study , but the result of his study isn’t ______.
| A．enough time ; enough good | B．time enough ; well enough |
| C．time enough ; enough good | D．enough time ; good enough |
______ blue clothes _____ good for your mind.
| A．Wear ; is | B．Wearing ; are |
| C．Wearing ; is | D．Wear; are |
You can stay here , _______ you can leave at once.
| A．and | B．but | C．so | D．or |
.----I’d like a cup of black coffee. What about you, Maggie?
--- I prefer coffee______ sugar.
| A．than | B．for | C．with | D．to |
They thought ________ important to look left and right when ________ the road.
| A．it’s, cross | B．it, to cross |
| C．it, crossing | D．it was, to cross |