This watch is _____ to all the other watches on the market.
| A．superior | B．advantageous | C．super | D．beneficial |
Evidence has been piled up ________ drinking water after getting up in the morning contributes to one's health.
| A．what | B．which |
| C．if | D．that |
It is usually thought ________ a little child says is truth.
| A．what that | B．that what |
| C．which | D．that |
The warning we were given as children ________ eating fast will make you fat, may in fact, have a scientific explanation.
| A．that | B．who |
| C．where | D．which |
Although Anne is happy with her success, she wonders ________ will happen to her private life.
| A．that | B．this |
| C．it | D．what |
________ there are living creatures in the outer space as those on Earth hasn't been proved until now.
| A．How | B．When |
| C．Where | D．Whether |