Let’s football in the street.
| A．not to play | B．not play | C．don’t play | D．not playing |
Parents should take seriously their children’s requests for sunglasses _______ eye protection is necessary in sunny weather.
| A．because | B．through |
| C．unless | D．if |
—We have decided to go for a picnic tomorrow, Dick.Are you going with us?
—Well, _______ you are going, so will I.
| A．when | B．since |
| C．if | D．while |
He whispered to his wife _______ he might wake up the sleeping baby.
| A．so that |
| B．on condition that |
| C．for fear that |
| D．so long as |
I was so familiar with him that I recognized his voice _______ I picked up the phone.
| A．immediately |
| B．quickly |
| C．suddenly |
| D．hurriedly |
Our aim is to select the best person for the job, _______ they are from.
| A．wherever |
| B．however |
| C．whatever |
| D．whenever |