Mary had promised to give me a ticket for tomorrow.She failed, ____.
At the sight of her mother,the surprise in her face was ____ by joy.
___________ and I’ll get the work finished.
The harder you work at your lessons, the greater progress you ________.
--- She has been ill for a week. ----- I _____ with her at noon tomorrow.
Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined.