China’s economy expanded 8.1 percent in the first quarter from a year earlier,___the slowest pace in almost three years.
#94171
A
marking
B
to mark
C
having marking
D
marked
推荐题目
________hard before, Tom is afraid of failing in the exam. 
#97409
A
Having been worked
B
Not to have worked
C
Having never worked
D
Never have worked