How long ____you____TV
A: Had, been watching
B: watching
C: have--been watching
D: een watching
A: Had, been watching
B: watching
C: have--been watching
D: een watching
举一反三
- How long ____you____TV? A: Had, been watching B: watching C: have--been watching D: been watching
- They ______ TV for two hours. A: had watched B: are watching C: watched D: have been watching
- He___TV when I dropped in last night. A: was watching B: had watched C: watched D: have been watching
- Peter ______ TV with Tom this time yesterday. A: was watching B: watched C: were watching D: had watching
- 中国大学MOOC: The children have been watching TV since six oclock.