— Sorry, I have to ________ now. It’s time for class. — OK, I’ll call back later. 
#72697
A
hang up
B
hang on
C
hold on
D
hold up
推荐题目
Mary realized she ________.
#64704
A
was playing a joke about
B
was making fun of
C
was being laughed at
D
was made fun
Several pages were found _________ when the book _________ me.
#65008
A
missing; returned
B
gone; was returned to
C
lost; was returned
D
disappeared; was returned to