That such a great number of families are still so badly off greatly ______ the researchers.
#71517
A
puzzle
B
confuse
C
disturb ed
D
astonishes
推荐题目
The whole book ________ twelve units, ________ two that are mainly for revision.
#82893
A
contains; including
B
includes; containing
C
contains; containing
D
includes; including
The computer system________suddenly while he was searching for information on the Internet.
#65611
A
broke down   
B
broke out
C
broke up   
D
broke in