Tom took a taxi to the airport, only _______ his plane high up in the sky.
--What do you think of cloning? --No doubt it’s a great invention. But ________, it may have some side effects.
Jean Bernoulli returned to St Petersburg in 1766, soon afterwards losing the sight of his ________ eye.
--Now Mr. Snow, what can you remember about the attack? --Well, I ________ late yesterday evening…
. Don’t leave the window open—it’s ________ thieves to enter.
Don’t leave the window open—it’s ________ thieves to enter.