— 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
Look at the______! It’s ______hard now.
#29805
A
snow ;snow
B
snow; snowing
C
snowing ; snowing
D
snowing ;snowy
Put it down, Tom. You mustn’t read_____ letter.
#29300
A
else anyone’
B
anyone’s else
C
anyone else’s
D
anyone else
It’s true that the bad news had a bad ______ on my grandmother.
#27963
A
affect
B
instance
C
taste
D
Effect