A:has been promising
B:had promised
C:promised
D:promise
右图是元素周期表中的一种元素,下列有关该元素的信息正确的是()
They aren't _______ at that age.
⑴____A. morning B. good C. afternoon
⑵____A. friend B. sister C. brother
⑶____A. this B. I C. you
⑷____A. is B. am C. be
⑸____A. he B. she C. my
将一个菱形放在2倍的放大镜下,则下列说法不正确的是( )