The problem requires ______.
#97533
A
studying with great care
B
to study carefully
C
to be studied without carelessness
D
taking great care of studying it
推荐题目
The last one ________pays the meal.
#88325
A
arrived
B
arrives
C
to arrive
D
arriving
_____ he’s only been learning English for a year, he speaks it very well.
#98838
A
Considered
B
Considering
C
Having considered
D
To consider