— 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
We can read the time 3:45 as ________.
#27892
A
three and forty-five
B
fifteen past three
C
a quarter to four
D
a quarter past three
If you want to be a ______, you should study math hard.
#29906
A
reporter
B
musician
C
soccer player
D
computer programmer
