There are solid reasons for China to claim ownership of the Diaoyu Islands, which lie about 200 miles the eastern coast of our country.
| A．to | B．on | C．off | D．of |
Even students of average intelligence ________ become top students by improving their study habits.
| A．must | B．can |
| C．have to | D．ought to |
—God！My cell phone is missing.
—You ________ have left it at home.I heard you telephone our daughter in the bathroom.
| A．shall | B．must |
| C．would | D．could |
I’m really very busy，otherwise I ________ certainly go there with you.
| A．can | B．shall |
| C．will | D．would |
It is required by the rules that students ________ get grades not lower than 85 in any subject in order to get the scholarship.
| A．will | B．may |
| C．shall | D．would |
—Happy birthday!
—Thank you！It’s the best present I________for.(2012·江苏，35)
| A．should have wished |
| B．must have wished |
| C．may have wished |
| D．could have wished |