The dangerous virus ____ in the next few weeks in the laboratory can cause fatal diseases.
#94685
A
studying
B
studied
C
to study
D
to be studied
推荐题目
There are many talented actors out there just waiting _______.
#90770
A
to discover
B
to be discovered
C
discovered
D
being discovered
Every minute is made full use of _______ our lessons.
#97952
A
studying
B
to study
C
study
D
being studied