On Sundays there were a lot of children playing in the park, and _______ parents were seated together joking.
| A．their | B．whose |
| C．which | D．that |
There is _______ in persuading him when he turns a deaf ear to you.
| A．no use | B．no wonder |
| C．no good | D．no point |
Recently I have bought an ipad mini on the website of Taobao.com, _______ the price is very reasonable.
| A．which | B．whose | C．on which | D．of which |
However, at times this balance in nature is disturbed, _______ a number of possibly unforeseen effects.
| A．lying in | B．calling in | C．taking in | D．resulting in |
I want an assistant with _______ little knowledge of French and _______experience of office routine.
| A．the; a | B．the; an | C．a; 不填 | D．a; an |
—How nice it tastes!
—In fact，this delicious cake is not difficult________.
| A．making | B．made | C．to be made | D．to make |