I can hardly hear you because it’s too noisy here. Please speak _______ .
Mr. Li is kind _________ us. But sometimes he is kind _______ serious.
Please help me _____ English.
It’s 8 o’clock. The students _________ an English class.
--- Don’t run in the hallways. --- ______, I won’t do it again.
In South Korea, most students get to school ________.