-To keep safe, everyone_______ wear a seat belt(安全带) in a car.A. is suppose B. are supposed to C. is supposed to D are supposed
We should keep our classroom _______.
Would you please ________ my dog when I go out for travelling?
—This evening your uncles are coming to our party.—So, we need _______ food.
Lily nearly missed the train_________ too much traffic.
The price of the phone ________ what kind it is.