It is difficult to get used ________ in a tent（帐篷）.
A: sleep
B: to sleeping
C: slept
D: to sleep
A: sleep
B: to sleeping
C: slept
D: to sleep
举一反三
- It is difficult to get used<br/>____ in a tent after a soft, comfortable bed to lie on. A: sleep B: to sleeping C: slept D: to sleep
- Have you used a _______ bag? A: sleeping B: sleep C: asleep D: slept
- When the mother came in, the baby __(sleep). A: will sleep B: was sleeping C: slept D: skeeo
- Be quiet! The children ______. A: [A] are sleeping B: slept C: sleep
- ______ late in the morning, Tom turned off the alarm. A: Sleep B: Sleeping C: To sleep D: Having slept