What would have happened ________，as far as up to the river bank.
| A．Bob had walked farther |
| B．if Bob should walk farther |
| C．had Bob walked farther |
| D．if Bob walked farther |
“I think the teacher is wrong, _____?” “No, I don't think so.”
| A．don't you | B．don't I | C．doesn't he | D．doesn't she |
—Well. I do think the rabbit is a beautiful, gentle animal which can run very fast.
—_____________.
| A．So it is | B．So is it | C．So does it | D．So it does |
He suggested the person referred _______ put into prison.
| A．is | B．be | C．to be | D．should be |
______ it with me and I’ll see what I can do.
| A．When left | B．Leaving |
| C．If you leave | D．Leave |
I decided to go to the library as soon as I ______.
| A．finished what I was doing |
| B．finished what I did |
| C．would finish what I was doing |
| D．finish what I did |