The project is far behind schedule. It’s impossible for you to ______ it in a week.

I failed in the exam again. I am sorry to let you down, Mum.— , dear. I know you’re doing better now.

E-shopping,when properly _____,can save us a lot of time and energy[ ]

ient times, people rarely travelledlong distances and most farmers only travelled ___________ the local market

I don’t really work here,I untilthe new assistant arrives.