In many cities of China, if an ambulance is__in a traffic jam, police will respond to the emergency.
—Mary, let’s go to the bookshop this weekend. Will you be ______? —Sorry, but I’m going to visit my uncle in the countryside.
—Oh, dear! I forgot the air tickets. —You ______ something.
The companies are working together to create _____ they hope will be the best means of transport in the 21st century.
—Your neighbours may ____ you of playing the piano at midnight. —I know. They never say anything favorable to me.
When was ______ that the suggestion was put forward ______ the seven-day Labor Day Golden Week holiday be cancelled?