________ his work in physics, Einstein spent much time working for human rights and progress.
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There is nothing ________ a letter in the box.
Please say “hello” to your parents ________ me.
______ I ask your name, please?
Those who haven't known hunger can never imagine how it ________.
These shoes are too tight. Do you have larger ________ ?
My father's ________ is grey, but my mother has a few grey ________.
The old woman's ________ often quarrel about housework.
Mr Smith will return to Britain tomorrow. I'm going to ________.
This is the reason ________ his coming late.