Question

求助英语习题解答

用正确的时态和语态填空
8、The song__（ofter sing）by children
9、Lce turns into water when it__（heat）
10、The Olympic Games__（hold）every four years
11、__it__（call）a chemical change？

Answer 1

8、The song song__（ofter sing）by children
9、Lce turns into water when it is_heated_（heat）
10、The Olympic Games_holds_（hold）every four years
11、_is_it__called（call）a chemical change？

Answer 2

is often sang
was heated
is held
Is called