I really regret telling you about Tom's choice for I thought you ____ (keep) it a secret.
一五得(____)____
四(____)三十六____
二八(____)____
(____)(____)十五____
当同学之间产生误会、矛盾或冲突时,会产生情绪的不满。这时我们要( )
16的平方根是____.