In such dry weather, the flowers will have to be watered if they ____________
| A．have survived | B．are to survive |
| C．would survive | D．will survive |
______________ twice a year, whether it is a car, a bus or a truck, is the rule that every driver must obey in this city.
| A．Examining | B．Examined |
| C．Having been examined | D．Being examined |
The situation at Omaha Beach was so bad _______ the soldiers succeeded in landing on the beach with a lot of people losing their lives.
| A．that | B．enough | C．once | D．when |
The weather turned out to be fine yesterday. I _______ have taken the trouble to carry my umbrella with me.
| A．should | B．could | C．needn’t | D．mustn’t |
When was it you met him in the library?
| A．as | B．that | C．while | D．if. |
—Where are the children? The dinner’s going to be completely ruined.
—I wish they ________ always late.
| A．weren’t | B．hadn’t been |
| C．wouldn’t be | D．wouldn’t have been |