9.
(2020高三下·苏州月考)
___________for the efforts of medical staff, the spread of the novel coronavirus would not be controlled, which astonishes the whole world.
A . Were not itB . Were it notC . Had not it beenD . If it were
12.
(2020高三下·南京开学考)
The explosion in the chemical plant ______ avoided had the county authorities, aiming too much at short－term interests, performed their duties from the beginning.
A . should beB . might beC . must have beenD . could have been
13.
(2020高三下·江苏开学考)
The hard-working girl studies outside, accompanied by her father. Sometimes I can't help wondering whether I _______the same in her position.
A . must have doneB . would have doneC . would doD . might do
