Mary made coffee ____ her guests were finishing their meal.A. so that B although C. while D. as if
16. I returned home with some roses and only then __________ find my favorite vase missing.
15.She was lifting handfuls of fine sand and letting it pour __________ her fingers.
— Excuse me. Do you happen to have change for a 50-pence piece? — __________. I’ve just used up all my coins.
. With examinations coming immediately, you ________ the Internet last night.
-- Why didn’t you come to see the film with your parents last weekend? -- I _____ my lessons for the month- exam.