A hearty laugh relieves physical tension, ________ your muscles relaxed for over half an hour.
#88798
A
to leave
B
left
C
leaving
D
leave
推荐题目
______ which university to attend, the girl asked her teacher for advice.
#90210
A
Not knowing
B
Knowing not
C
Not known
D
Known not
          in a white uniform, he looks more like a cook than a doctor.
#94329
A
Dressed
B
to dress
C
Dressing
D
Having dressed