问题
They have been skating ______. [ ]
A: for three hours ago
B: since three hours ago
C: three hours ago
D:since three hours
B: since three hours ago
C: three hours ago
D:since three hours
正确答案是:
同类题型
Mt Everest (珠穆朗玛峰) is 8, 844. 43 meters ______ sea level. [ ]
Sonya is ________ Hainan Province.[ ]
She is tall ______ long hair and she ______ friendly. [ ]
Please turn off your TV. You can’t leave the room _____the TV _____.[ ]
Our class won a medal and the presentation ________on Thursday afternoon.