Put the words in brackets in the most appropriate positions in the sentences. Sometimes more than one answer may be correct. If so, use the most common alternative.
The computer doesn't work when I need it. (usually)
My students' mobile phones start ringing during classes. (sometimes)
The USB stick is used in our office only. (usually)
The handyman checks the pipes. (regularly)
It rains in our area in winter. (never)
The river floods our garden. (occasionally)
The janitor makes sure everything is ok in the classes. (every week)
The students sing lovely songs. (every day)
The Spanish often have a siesta. (in the afternoon)
The supervisor checks our work. (three times a month)