Great changes ______ in China in the past 20 years.
| A．took place | B．have taken place | C．were taken place | D．have been taken place |
When we got to the top of the hill, the sun __
| A．was shining | B．shone | C．has shone | D．shines |
I __Xiao Mao since she was a little girl.
| A．know | B．knew | C．have known | D．had known |
He ___ when we came
| A．will arrive | B．had already arrived | C．would alreay arrive | D．has already arrived |
She said the foreigners __ our city.
| A．visiting | B．were going to visit | C．are visited | D．visited |
Don’t come at ten o’clock tomorrow, he ___then.
| A．will be | B．will work | C．will be working | D．would work |