下图是某水库流入水量和流出水量是在
一年中的变化情况。读图回答问题。 
该水库蓄水的最高水位出现在
| A．5月 | B．6月 | C．9月 | D．10月 |
该水库可能位于
| A．海河流域 | B．黄河流域 |
| C．长江流域 | D．珠江流域 |
Whether we’ll hold the sports meet depends on the weather, _____?
| A．won’t we | B．shan’t we |
| C．doesn’t it | D．won’t it |
I went to bed very late last night, _____, early the next morning.
| A．or rather | B．at least |
| C．at most | D．in a word |
She took the boy _____ the hand and led him _____ the zero.
| A．in…by | B．on…at | C．at…in | D．by…round |
We _____ a pleasant journey but for the rain.
| A．would have | B．will have |
| C．had had | D．would have had |
— Shall I go and buy two more bottles of beer?
— No, I’ve already bought twenty. That _____ be enough for us two.
| A．can | B．may | C．ought to | D．might |