We plan to reach the North Pole in mid-July, and by then we _______ for six weeks

It’s an either-or situation ________ we can buy a new car this year or we can go on holiday but we can’t do _________.

The two girls had been talking in ________ low voice all ________ time during the meeting, which upset the manager.

In my view, London’s not as expensive in price as Tokyo but Tokyo is ______in traffic.

The boss in the factory often makes the workers _____ nine hours a day.