Only after a baby seal is pushed into the sea by its mother _____ to swim.
--- I'd have made a phone call to you, ___________ your telephone number.--- That’s all right.What was up then?
The cousins are alike in age, but _____ they are as different as day and night.
Is it a wonder that _____ little cells can store _____ much energy?
Not having worked out the problem, _____ leave the office.
----Why isn’t Cathy here yet?--- She _________ to be picked up at the station.