The photographer needs to charge up thedigital camera every day as the batteryquickly

Only when _______ in 1941, _______ to get back to his research again. [ ]

The performer was waving his stick inthe street and it ___ missed the child standing nearby.

Do you mind my sitting here, Tom—___________. It’s for our teacher, Mr Green.

It _______ ten years since my sister ______ an English teacher.