28. There is no doubt ______ you will be successful in time as long as you study hard.
____his scientific work, he has no time to care for his family affairs, which his wife always complains about.
She hurriedly left the room as if ___.
—She may not be free today. —___, we’ll have to put the meeting off.
—Is your mother going to the supermarket ? —No, ____.
—Did you visit the museum last week ? —No, we ___, but we spent too much time shopping.