Question

用所给单词的适当形式填空:Do you like this____(puzzle)?

还有
There______(be) some juice in the bottle.
The mouse is in the______(cat) mouth.
Look at_____(he) toy bear.
There aren’t any______(piano) in the sports hall.
My sister is a_______(wait).

Answer 1

Do you like this puzzle?（由this可知是单数）
There is some juice in the bottle.(juice不可数，故用is)
The mouse is in the cat's mouth.（由句意可知老鼠在猫嘴里，故用属格）
Look at his toy bear.（由句意推断可知是属格，用his）
There aren't any pianos in the sports hall.（由aren't可知应用复数，piano复数加s）
My sister is a waitress.（由sister可知是女性职业，用waitress）

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Answer 2

puzzle，单数名词
is，不可数名词
cat's，名词所有格
his，他的玩具熊
piano，名词单数
waitress，女招待，女服务员

Answer 3

puzzle，is，cat's，his，piano，waitress。

Answer 4

is 果汁 不可数
cat's 猫的（嘴里）
his 他的（玩具熊）
piano（任何一架）钢琴
waitress 特指女服务员