— What are the _______ doing there?— They are busy _______ their science experiment.
#29439
A
Boys students; to do
B
Boy students; to do
C
Boys students; doing
D
Boy students; doing
推荐题目
How _____ cups of ______ are there on the table ?
#29628
A
many; coffees
B
much; coffee
C
many; coffee
D
much; coffees
Do you think _________ should be allowed to drive?
#29780
A
sixteen-year-old
B
seventeen-year-olds
C
fifteen-year-old
D
eighteen-years-olds
What type of book is The Hunchback of Notre Dame（《巴黎圣母院》） about?
#35384
A
Science
B
Cooking
C
Health
D
Novel