The carpet where he _____was warm and comfortable, so he slept soundly.
| A．was laying | B．was lying | C．had laid | D．had lied |
The Meglev Train travels in a vacuum between two magnets, ___ no pollution is caused and less energy is consumed.
| A．where | B．which | C．when | D．therefore |
Do be careful with what you are to say. If you ___, you will leave a bad impression.
| A．don’t | B．aren’t | C．won’t | D．can’t |
Come on! The man in charge of the job ___ you have to explain everything is waiting.
| A．who | B．about which | C．to whom | D．where |
I had no one ___ me, for I could deal with it all by myself.
| A．to help | B．help | C．helped | D．helping |
To better understand the English poem, we ___ it into Chinese.
| A．put | B．make | C．change | D．turn |