—Why do you look worried?
— Because what I am really concerned about is _____my friend can do me a favor or not..
| A．although | B．whether | C．when | D．where |
There’s no point __ to persuade him to do anything.
| A．to try | B．in trying | C．of trying | D．if you try |
I won’t go to Japan next week. ___
| A．He won’t neither | B．Neither he will | C．Neither won’t he | D．Neither will he |
My father did not go to New York; the doctor suggested that he ___ there.
| A．not to go | B．won’t go | C．not go | D．not to go |
Neither Jack and Tom ___ Mary ___ at home that day.
| A．nor, are | B．nor, is | C．or;were | D．nor; was |
The River Nile ___ flood large areas, but now the water of it ___ produce electricity.
| A．was used to ; is used to | B．used to; used to | C．used to; is used to | D．was used; is using |