Only when you have obtained enough data______ come to a sound conclusion.
| A．can you | B．you can | C．would you | D．you would |
---Which one will I choose?
---Well, you can take _______ of them; I’ll keep none.
| A．both | B．all | C．any | D．either |
---Don’t forget to bring my new books tomorrow afternoon.
-- No, I ________.
| A．don’t | B．can’t | C．won’t | D．couldn’t |
We always keep ____ gas in case we run out.
| A．a great number of | B．plenty of | C．much too | D．a good many |
With no one to ____in such a frightening place ,she felt helpless.
| A．turn to | B．turn in | C．turn off | D．turn over |
They have no idea at all ________.
| A．where has he gone | B．where did he go |
| C．which place he has gone | D．where he has gone |