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
 ____on the Yellow River, the town lies____ south of China.
#89605
A
Locating; /
B
Situated; /
C
Situating; in
D
Located; in
______ with care, one tin will last for six weeks.
#94928
A
Use
B
Using
C
Used
D
To use