The teacher walked toward the classroom, and carried a book in his hand.
A:read
B:followed
C:held
____ ____ ____ !1'm sure you'll do it well.
2016年9月4日至5日,以“构建创新、活力、联动、包容的世界经济”为主题的国际会议在中国杭州召开。该会议是( )