She had just finished her homework ____ her mother asked her to practice playing the piano yesterday.
Mary had promised to give me a ticket for tomorrow. She failed, ____.
.---You may find the key to the maths problem on page 107 . ---Ah, it’s so simple . I wonder why I of that .
---Ann looks hot and dry. ---So you if you had a high fever.
.—Excuse me, is the shop open around the clock? --- _________. Only from 8:00 a.m. to 4:00 p.m.
—I didn't go to work yesterday afternoon because my car broke down. —You ___ mine. I wasn't using it.