—Haven't seen you for ages! Where have you been?
—I went to Ningxia and    there for one year, teaching as a volunteer.

I found the lecture hard to follow because it _______ when I arrived.

Sheldon could have defeated Howard in the match, but he _______ too careless at the last minute.

Don’t call me up at this time tomorrow, for I _______ an important test.

My new pen __________.Who __________ have taken it?

We would rather our daughter ________ at home with us, but it is her choice, and she is not a child any longer.

During his stay in Xi’an, Jerry tried almost all the local foods his friends ________,

James has just arrived, but I didn’t know he _______ until yesterday.

You’d better write down her phone number before you _______ it.

Sofia looked around at all the faces: she had the impression that she _____ most of the guests before.