Bonjour,

1. Choisissez la bonne réponse parmi celles proposées entre parenthèses pour chacune des propositions suivantes :
a. A tsunami and an earthquake ______ (hit/was hitting) the nuclear central of Fukushima in March 2011.
b. While the workers __________ (tried/were trying – were occurring/occurred) to cool and shut down the reactant, several hydrogen explosions __________.
c. The Japanese government __________ (assessed/was assessing) the accident as Level 4 on the International Nuclear Event Scale.