By the speed of water flow, Tan made over 50 sounds from water.
| A．controlled | B．control |
| C．controlling | D．controls |
Can you tell me _____________________?
| A．when you did it so well |
| B．when did you do it so well |
| C．how you did it so well |
| D．how did you do it so well |
Mary ______ in Beijing since 2008.
| A．have lived | B．is lived | C．lived | D．has lived |
— Would you like to go for a picnic to enjoy the fresh air outside this weekend?
— __________. It will be a sunny day.
| A．I’d love to | B．Don’t mention it |
| C．No, I won’t | D．It doesn’t matter |
— You look so happy!
— That’s because an old friend of is coming.
| A．I | B．me | C．my | D．mine |
— How was your day off during the Qingming Festival?
— Pretty good! We Xu Xiaoxuan’s former home.
| A．visit | B．visited | C．was visiting | D．will visit |