英语填空题3道~

问题描述:

英语填空题3道~
(1)Who ( ) [clean] the floor? ---Li Hong is.
(2)Please let Bob ( )[sing] in English.
(3)The students are singing and dancing ()[happy]
P.S [ ]里是提示的

(1)Who (is cleaning) [clean] the floor?---Li Hong is.
现在进行时 ”Li Hong is.”省略了宾语
(2)Please let Bob (sing)[sing] in English.
祈使句动词不变
(3)The students are singing and dancing (happily)[happy]
副词修饰动词