_______ his scientific work, he has no time to care for his family affairs, _______, of course, his wife always complains about.
It was early morning in London _____ Prime Minister Cameron arrived to give his speech.
—I've got a bad cold.Can I take two days ____, Mr.Cage? —Yes, by all means.Take care.
—What do you think of that housewife? —She is _____ of a good housekeeper, for the children’s room is always a terrible mess.
It is uncertain side effect the medicine will bring about , though about one thousand patients have taken it.
—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there. — I really should have gone with you, but I ________ on some remaining problems.