O'Neal works hard. He is often seen _______ heavily before his teammates have even arrived at practice.
#98080
A
sweated
B
to be sweated
C
sweating
D
being sweated
推荐题目
________ in 1636, Harvard is one of the top universities in the United States.
#90179
A
Being founded
B
It was founded
C
Founded
D
Founding
With ____ leaves ____ in the earth every year, the soil becomes richer and richer.
#95286
A
falling; burying
B
fallen; buried
C
fallen; burying
D
falling; buried
He was sitting in an armchair, ___ a novel 
#97789
A
reading
B
read
C
was reading
D
to be reading