—Remember that where and when two different English question words___________. —I see, but can you tell us how to use them, sir?
Hesitating what to do,.
The retired man donated most of his savings to the school damaged by the earthquake in Yushu, _______ the students to return to their classrooms.
He spent at least as much time reading as you online yesterday.
--- Why does the lake smell terrible? ---Because large quantities of water .
The book didn’t children probably because the author employed too many scientific terms in it.