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
 The experts are trying to find ways of ____ the animals in danger.
#96792
A
rescuing
B
dragging
C
seizing
D
watching out
 Mrs. White showed her students some old maps          from the library
#89637
A
to borrow
B
borrowed
C
to be borrowed
D
borrowing
Having been attacked by terrorists, ______.
#94758
A
doctors came to their rescue
B
the tall building fell down
C
an emergency measure was taken
D
warnings were given to tourists