English teachers are supposed ______their students a test in class, even after class, ______better teaching results.
#91971
A
to give; ensuring
B
giving; to ensure
C
to give; to ensure
D
giving; ensuring
推荐题目
 ____ which university to attend, the girl asked her teacher for advice.
#90665
A
Not knowing
B
Knowing not
C
Not known
D
Known not
Glass milk bottles can be used again and again, but they need __________ thoroughly, ____they?
#97943
A
to clean, needn’t
B
cleaning,don’t
C
clean, aren’t
D
cleaned, can’t
Seeing the picture ,she could resist _____. 
#97279
A
laughing
B
to laugh
C
laughed
D
being laughed