concern
#13413
A
suffer
B
term
C
recover
D
thunder
推荐题目
The world’s population has grown by ______ it was in 1800.  
#14205
A
more than six times that
B
six times more than that
C
more than six times what
D
six times as many as
The singer’s flight was _____ due to bad weather, resulting in the show _____.
#14013
A
put out; to be canceled
B
put off; to be canceled
C
put out; being canceled
D
put off; being canceled