It may be necessary to stop _____ in the learning process and go back to the difficult points in the lessons.
Many Jewsto America during the Second world war for their safety.
—David has made great progress recently. —, and.
The Great wall is knownthe world.
—Is everyone here? —Not yet…Look, therethe rest of our guests.
Tom felt that the himself, along with Toby and Jack,for breaking the window.