English teachers are supposed ________ their students a test in class, even after class, ________ better teaching results.
#89323
A
to give; ensuring
B
giving; to ensure
C
to give; to ensure
D
giving; ensuring
推荐题目
She was the first woman ______ to the board.
#94213
A
to be appointed
B
having been appointed
C
appointing
D
to appoint