John and Mary’s room _______ on fire. Many _______ help them put out the fire.
| A．are; passer-bys | B．is; passers-by | C．is; passer-bys | D．are; passers-by |
Mr. Lee made ______ a rule that we must come to school on time.
| A．that | B．this | C．it | D．which |
The area soon ______ from the effects of the earthquake.
| A．suffered | B．recovered | C．concerned | D．set |
When ______ help, one always says “Thank you” or “It’s very kind of you”
| A．offering | B．offered | C．to offer | D．offer |
I’ll get my bad teeth_______ tomorrow.
| A．pull out | B．to pull out | C．pulled out | D．pulling out |
John thinks it won’t be long ____ he is ready for his new job.
| A．when | B．after | C．before | D．since |