—Why did Mr. Green take his 7th grade students to the river yesterday afternoon?—________ the river.
In face of ____ failure, it is the most important to keep up ____ good state of mind.
Listen to the two girls by the window. What language ____ ?
Hurry up! Alice and Sue are waiting for you at the school gate. -Oh! I thought they _______ without me.
They ______ on the program for almost one week before I joined them, and now we ____ on it as no good results have come out so far.
---What’s that terrible noise? ---The neighbors ____for a party.