1. The ship construction process (include) several stages.
2. Now we are at the design stage, and our engineers (determine) the ship hull form.
3. We normally measure the temperature in degrees Celsius, but in this experiment we (measure) the temperature in degrees Fahrenheit. 4. I (not / remember) the professor’s name.
5. What (this sign / mean)?
6. ‘(you / like) learning English?’ ‘Well, it was difficult at first, but it (get) easier now.’
7. This software (cost) a lot of money.
8. The students (not / prepare) for the laboratory, they carried out the experiment last week. Now they (analyze) the experimental data.
9. (the students / understand) this theory?
10.I (not / make) any plans for the future right now.
11.This music (sound) terrible. 12.He (think) the task is too difficult for him.
