The plane is due to take off at 7:50 from the airport.—________ we fail to arrive there in time?—Try to take another flight then[ ]

Harbin is really a beautiful city and there’re many places of interest.—So it is. I’m going to stay here for _______ two days.

He’ll never forget his stay in the park ________ he found his cellphone which had gone missing days before.

______beef do you need, Madam—One kilo and a half.

________do you practice your pronunciation—I practice it _____ asking the teacher for help.