I'm Wei Hua. ___________ pencil is red.[ ]
A. Me
B. My
C. I'm
答案:B
It was on March 11,2011 ________ a strong earthquake hit Sendai, Japan.
A.when
B.that
C.which
D.how
氧气瓶与其它易燃物品或火源的距离应不小于()m。
A.10;
B.8;
C.6;
D.4。