With Shanghai World Expo drawing near, volunteers are making use of every minute to _______ their foreign language because language volunteers must pass a written test and an interview.
A.polish up | B.take up | C.put up | D.make up |
推荐套卷
With Shanghai World Expo drawing near, volunteers are making use of every minute to _______ their foreign language because language volunteers must pass a written test and an interview.
A.polish up | B.take up | C.put up | D.make up |