I still remember how many years ago I last met her in the countryside.
—Did Jack come back early last night? —Yes. It was not yet eight o'clock __________ he arrived home.
In order to finish the work on time, we can't __________ to waste a single minute.
__________ in her office for nearly 20 hours, she is going home to have a rest.
Thanks for your help, otherwise we would have __________ the game!
Jane __________ Betty is going abroad, so they help each other to prepare for the test.