Grammar
The past tense of "go"
went
The idiom meaning "it is raining heavily": "It is raining cats and ___"
dogs
The comparative form of "good"
better
The opposite of "expensive"
cheap
The idiom "break a ___" means good luck before a performance
leg
The correct form: "If I ___ you, I would study more." (was/were)
were
"To hit the ___" means to go to sleep
sack
The third conditional form: "If she had studied, she ___ passed."
would have
The idiom "once in a blue ___" means very rarely
moon
Reported speech: He said, "I am tired." = He said (that) he ___ tired.
was
The idiom "the ___ on the cake" means an additional positive thing
cherry