Half of the Beijing’s private cars ____ off the roads due to heavy smog on Friday.
A .order B. are ordered C. ordered D. were ordered
Please ____ fruits and vegetables in a basin!
A. wash B. washing C. to wash D. washed
_____ can we help victims after a natural disaster?
A. Who B. How C. Where D. When
The police required the traveler ____ for his luggage.
A. check B. to check C. checking D. checked
When we ____ home last night, we saw a strange object in the sky.
A. drive B. drove C. were driving D. had driven
We’ll have to cancel the school sports meeting ___ it snows tonight.
A. if B. although C. unless D. since
