Though working outside, he is always      about his aging mother at home.
#18364
A
concerned
B
satisfied
C
excited
D
particular
推荐题目
 The old castle is well _____ visiting.
#18669
A
worthy
B
worth
C
valuable
D
reliable
From the ___ expression on her face, we knew that the problem was ____.
#20557
A
puzzling….puzzling
B
puzzled…puzzled
C
puzzling..puzzled
D
puzzled..puzzling
According to a study carried out by an American university, when you eat has ______ on your mood as ______ you eat.
#18490
A
much of as an effect; what
B
much of as an effect; which
C
as much of an effect; what
D
as much of an effect; which