seeacarinthedistance,butcouldn’t_______whatcoloritwas.

You are not supposed to _______ your notes during any test in our school, or else you’ll be punished.

下列各句中，没有语病的一句是（    ）

David didn’t give up _________ he had failed in the experiment four times.

It’s on the festival occasions ______ the family get together _____ he misses his late father.