根据拼音写出词语中所空缺的字。
(1)奢 (chǐ)
(2)(chàng) 惘
(3)孤 (jì)
(4)(cuān ) 掇
(1)侈
(2)怅
(3)寂
(4)撺
—I haven’t seen you for ages. Where have you been?
— I _______ on leave in Europe.
A.have been
B.am
C.was
D.had been
下列诗句中涉及物理变化的是( )
A.野火烧不尽,春风吹又生
B.千锤万凿出深山,烈火焚烧若等闲
C.爆竹声中一岁除,春风送暖人屠苏
D.只要功夫深,铁杵磨成针