Wait till you are more ________. It’s better to be sure than sorry.
| A．alternative | B．satisfied | C．optimistic | D．certain |
lt was his positive attitude to life and hard work _________finally led him to his successful career .
| A．which | B．what |
| C．that | D．as |
The witnesses_________ by the police just now described the fight quite differently.
| A．questioned | B．being questioned |
| C．to be questioned | D．questioning |
Those postcards were so lovely that they_________ in no time.
| A．sold | B．had been sold |
| C．were sold | D．have been sold |
John kept looking at the pretty girl, wondering whether he_________ her somewhere.
| A．saw | B．has seen |
| C．sees | D．had seen |
-1 hear you've got a set of valuable coins.___________ I have a look?
-Yes, certainly.
| A．Will | B．May |
| C．Shall | D．Should |