I am very grateful for your assistance, and hope that one day 1 may be able to do something for you__________.
| A．in turn | B．in case |
| C．in return | D．In use |
It was wrong to cut down the old tree which dates back to 1915, _______ the reason．
| A．whatever | B．wherever | C．whenever | D．however |
—Most of the students went to the party yesterday. It is a pity you were absent.
—I wish I . But I was terribly busy.
| A．did | B．had | C．were | D．would |
News shocked the worlda Russian jet carrying members of a local hockey team crashed.
| A．which | B．what | C．that | D．where |
you are aware of the trick used in advertisements ,I don’t think you are eager to buy.
| A．Whether | B．Until | C．Though | D．Once |
She remembered several occasions in the past she had experienced a similar feeling.
| A．which | B．where | C．what | D．when |