Chest pains can be a warning ____of heart problems.
#5747
A
signal
B
sign
C
mark
D
symbol
推荐题目
The company offers many opportunities for professional（职业的） ______.
#5969
A
achievement
B
approach
C
development
D
purpose
The little boy just begins to speak English.He goes to great to say the sentence full length.
#6776
A
lengths;at
B
length;at
C
lengths;in
D
lengths;with
He’s unlucky, and he’s always suffering _____ luck one after another.
#7153
A
a sick
B
an ill
C
sick
D
ill
The Browns stood staring at the happy _______ of children playing in the park.
#6730
A
scene
B
landscape
C
scenery
D
view
Dry weather______the peasants’harvest this year.
#7412
A
has influenced
B
has affected
C
have effected
D
have efforted