5 marks the 50th anniversary of the “learning from Lei Feng Day”, a day_____ in honor of the Chinese soldier Lei Feng.

Only if he gets a job ______ have enough money to build his own house.

Generally, in China the car market is between the imported cars and the home-made cars. The former are quite expensive while the latter much cheaper.

John opened the door. There _______ he had never seen before. [ ]

My cousin had a bad cold last week.She coughed day and night.Which of the following is correct for the underlined part