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
She remained ______ for a while after the movie ended, which made others ______.
#95212
A
sitting; puzzling
B
sitted; puzzled
C
seated; puzzled
D
seated; puzzling
The child sat in the dentist’s chair _______. 
#97432
A
tremble  
B
trembling  
C
trembled 
D
to trembled
If the car won’t start, _____ it. 
#98015
A
try push
B
try pushing
C
to try pushing
D
to try to push