智慧职教: The ______ of a big new machine can be hard to learn.
举一反三
- The ___________ of a big new machine can be hard to learn. A: operate B: operation C: operating D: operative
- C Choose the best answer to complete each sentence. 1. The ___________ of a big new machine can be hard to learn. A: operate B: operation C: operating D: operative
- There are 10 incomplete sentences. Complete each one by deciding on the most appropriate word or expression from the four choices marked A, B, C and D.1. The ___________ of a big new machine can be hard to learn. A: operate B: operation C: operating D: operative
- A computer is very easy to learn. ________ can learn to use it in a very short time.
- This new machine will emancipate us all the hard work. A: into B: from C: on