Dr. Ma used to __________in a hospital.
They prefer to .A、sing, danceB、to play swimC、going sightseeing, going bike riding
100 trees must before March 12.A、plantB、be plantingC、be planted
I hope my daughter in 10 years.A、to be a nurseB、will study in collegeC、travelled to Europe
All of the following are traffic signs except ______.
---Could you please tell me how soon Xi Jinping ______ his first visit aboard?---In about three weeks.