The label had ____________, so there was no way of knowing what was in the tube.
举一反三
- We had a long way to go so we decided
- He had a clear ______ of what needs to be done. A: knowing B: understanding C: learning D: meaning
- 用探头查找管里的堵塞。 A: Use a probe to find the blockage in the tube. B: Probe the tube to find the blockage.
- We were not surprised at ______ , for he had worked so hard. A: what has he achieved B: that what he had achieved C: what he had achieved D: that he had achieved
- _what to do, I had to turn to my parents for help. A: Not know B: Not known C: Not to know D: Not knowing