25．Can you explain ____ most deserts are located near the west coast of the continents?
| A．why is it that | B．why it is that |
| C．how it is that | D．how is it that |
.Even at the narrowest of the Pacific, it is about 3,200 km ____________.
| A．widely | B．with cross | C．crossing | D．in width |
She ____ the hospital so soon, for she has not yet recovered.
| A．wouldn’t have left | B．shouldn’t have left |
| C．mustn’t have left | D．hadn’t had left |
.After studying chemistry for years, I can only say I have____general knowledge of this subject.
| A．/ | B．a little | C．a | D．some |
．—Do you think he’ll succeed?
—Well, he’s helped by so many classmates, what is more, he works extremely hard. So he will________succeed.
| A．probably | B．likely | C．possibly | D．perhaps |
．-------Have you heard today’s weather forecast?
------Yes 。Better weather is____________. We can expect an outing.
| A．in the way | B．by the way | C．in this way | D．on the way |