— Can I go to the movie, Mum?— Certainly. But you _______ be back by ten o’clock.
Look! We can’t cross the bridge. It by some workers.
—Are there any story-books for students In read in the library? —There are only a few, if _.
You are_____ young to understand it.
Bob asked me_.
—_did he come? —He came to ask for help.