The doctor told him that it would be at least three more months ______ he could be released from hospital.
35.-Did you have a good sleep last night?-Yes, never sleep ____.
32. Two middle-aged passengers fell into the sea. ____, neither of them could swim.
29. His parents put a lot of effort into getting him ____ to a key school.
28. Some of the students have already learned enough English to ____a conversation with a native English speaker.
26.-Have you read the novel?-Yes. I ____it three times while I was in university.