know the timetable of the schoolbus—Sure, the first trip________ at 6:30am and usually continues until 4 pm on weekdays

Is there an express to Beijing tonight? — There ______ be, but you’d better call the booking office to make sure.

Our government has to do something ________ our environment.

. Mr. Smith ______ me to buy several_______ eggs for the party.

“Have _______try, you are so close to the answer,” the teacher said to Eric.