—There aren’t any toys in our suitcase．Where have you put them?
—Oh, no．That old lady sitting next to us ______ have taken ours by mistake.

The kid is crying, for he ______ jump over the ditch on his own.

—What is the result of the survey?
—15% of those surveyed worry that in the long term children _________ be more dependent
on their parents, which does no good to them.

--- You ________ have bothered doing the washing-up. I could manage it myself.
--- That’s OK, No problem.

--- The task is challenging and demanding. Who do you think can make it?
--- _______ my partner have a try? I think she is the right person to do it.

It is required that under no circumstances ______ betray ourselves even if there are temptations like money or beauty.

--- Where are we to hold the conversation?
--- We’ll go to a quiet place and no one _____ disturb us.

--- The fog is so thick that the express way ____ have been closed.
--- You are right. I ____ have thought of that. Now we have to take another road.

Curious about the world around him, my son__   __ask me endless questions when he was young．

When we were young, every evening my brother and I ______ stay at home waiting for our mother.