I’m very tired. We really should stop (study) ____and have a rest.
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It is a pity that there is no (respond) ____to our call for help.
This is the first time that I (pay) ____a visit to Eygpt.
They are having a heated (argue) ____over whether smoking is bad for the health.
It’ll take time for me to (accustomed) ____myself to the changes.
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