_____ seen smoking here will be fined.
| A．Who | B．Whoever | C．Anyone | D．Who ever |
You’d better take something to read when you go to see the doctor __________ you have to wait.
| A．even if | B．as if |
| C．in case | D．in order that |
Tom is one of the boys who __________ on time.
| A．is | B．are |
| C．am | D．was |
__________ they will not come to join us, we have to change our plan.
| A．Seeing that | B．When |
| C．For | D．As soon as |
That is __________ the problem lies.
| A．how | B．when |
| C．where | D．what |
__________, Carolina couldn’t get the door open.
| A．Try as she might | B．As she might try |
| C．She might as try | D．Might as she try |