The experiment shows that proper amounts of exercise, if __ regularly, can improve our health.
|
A．being carried out |
B．carrying out |
C．carried out |
D．to carry out |
. As a new graduate, he doesn’t know_______it takes to start a business here.
|
A．how |
B．what |
C．When |
D．which |
The old man asked Lucy to move to another chair__________he wanted to sit next to his wife.
|
A．although |
B．unless |
C．because |
D．if |
Just use this room for the time being, and we’ll offer you a larger one ____it becomes available.
|
A．as soon as |
B．unless |
C． as far as |
D．until |
the engineer are so busy that they have zero time for outdoor sports activities, __________they have the interest.
|
A． wherever |
B． Whenever |
C．even if |
D．as if |
The school rules state that no child shall be allowed out of the school during the day, ______ accompanied by an adult.
|
A．once |
B．when |
C．if |
D．unless |
