If ____ in, the viruses can result in illness or even deaths.
#94746
A
breathed
B
to breathe
C
breathes
D
is breathed
推荐题目
Although ________ to stop, he kept on working.
#96110
A
tell
B
telling
C
having told
D
told
The power station keeps the villages ______ with electricity.
#97421
A
supplied
B
to supply
C
supplying
D
having supplied
Jack, who claimed ______ everything clearly, however, he told a lie.
#90533
A
to have heard
B
to hear
C
having heard
D
hearing