About of the students like keeping diaries in English in our class.

Thank you __________ your family photo.[ ]

____ your sister know Lucy?—No, she ____.

I’ll miss you，dear.—It ________ long before we meet again，Mom. It’s only one month away from Christmas.

If a=”4,” b=”5,” what’s the answer to the question “ a + 2ab +1 =?”—.