The plane arrives _______March 11, 2006.

13Not until I was a senior student_________the importance of English

82I was only when I reread this poemsrecently _____ I began to appreciate their beauty

Miss Li, are we going to have a picnic tomorrow—Yes. But if it ______, we’ll do some reading instead.

下列各句中，加点的成语使用恰当的一项是(　　)