The doorkeeper gave the alarm _______ he saw the smoke.
|
A．while |
B．the instant |
|
C．suddenly |
D．before |
“When did he leave the classroom?” “He left _______ you turned back to write on the blackboard.”
|
A．the time |
B．the moment |
|
C．until |
D．since |
“Will he agree to come to join us in the work?” “No, _______ we promise him more money.”
|
A．when |
B．unless |
|
C．unless |
D．as soon as |
“Would you mind my sitting here with you?” “No, ______ you aren’t too noisy.”
|
A．when |
B．if |
|
C．unless |
D．as soon as |
_______ the sun rising slowly in the east, the scene is a perfect dream.
|
A．Seeing |
B．To be seeing |
|
C．When you see |
D．Having seen |
______ for something, a receipt is given to you.
|
A．Paying |
B．Having paid |
|
C．When you have paid |
D．To be paying |
