President Xi Jinping paid______important visit to the US in 2017．
And he was warmly welcomed by Donald Trump，_____45th American president．（ ）
A．a； theB．an； theC．the； aD．an； a
-- Has your friend completed his design?-- Not yet. He ________ on it last night.
| A．worked | B．was working |
| C．has worked | D．is working |
She to an English program while her parents TV.
| A．was listening; is watching |
| B．listened; were watching |
| C．was listening; watched |
| D．was listening; were watching |
—I think the magic from Liu Qian was the best program last night.
—Oh, it’s a pity. I _______ cards with my family and missed it.
| A．have played | B．was playing |
| C．play | D．would play |
—I called you several times this afternoon. Why didn’t you answer the phone?
--I’m sorry. I ________ an important meeting then.
| A．is having | B．was having |
| C．will have | D．have had |
My little sister_________ in the hall at that time yesterday.
| A．dance | B．dances |
| C．is dancing | D．was dancing |