How did you manage to get to the school on time_________you missed the school bus?
| A．when | B．if |
| C．once | D．because |
相关试题
Don’t be worried. I’ll _
_______ your pet dog when you’re away.
| A．deal with | B．care about | C．look into | D．care for |
Only after the woman had her own child ________ how difficult it was to be a mother.
| A．she realized | B．had she realized | C．she had realized | D．did she realize |
The determined mother has devoted all she has to ________ her son o
ut of trouble.
| A．helping | B．help | C．have helped | D．having helped |
— Jane Goodall is a great woman.
— ________. She has done so much to protect chimps everywhere.
| A．Good idea | B．Congratulations |
| C．I think so | D．The same to you |
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