坚决反对运动员服用兴奋剂,是“人文奥运”的一个基本原则。某一种兴奋剂的结构简式为有关该有机物的说法不正确的是
—Could you please tell me how I can make more friends?
—Sure. I think being honest is the first ________ .
step
score
sense
My brother Tom can play ________ ping-pong well, but he can’t play ________ violin.
the; /
the; the
/; the
—Mmm…Delicious. What is it?
—It ________ zongzi, Tony. It’s a traditional food in China.
calls
is called
called
was called
Sorry, I ________ a mistake. Let me correct it.
will make
am making
was making
have made
At this time yesterday, I ________ a science exam here.
take
was taking
am taking
will take