What a nice model ship! – Thank you. It _________ me a few days to make it.

My friend Lillian has blonde hair. –So her sister.

This robot is supposed to save a lot of labor, but it remains a problem if it ______.

It ____me about two months to finish writing my new book in 2005.

_____ do the students do after-school activities every day ? For more than one hour.[ ]