He spent a large ___ of money on his books.
#7411
A
deal
B
plenty
C
number
D
amount
推荐题目
—Look! This is__________ . —Very beautiful. When did she take it? 
#6821
A
mymother’spicture
B
mymotherinthepicture
C
apictureofmymother
D
apictureofmymother’s
Chest pains can be a  warning ____of heart problems.
#5747
A
signal
B
sign
C
mark
D
symbol