Question
In the question below, three sentences are given, each
divided into four parts, which may or may not contain grammatical errors. From the options, choose the one that provides the combination of the part(s) of each sentence that are incorrect. 1. At the same time, the number (A)/ of people seeking private treatment (B)/ are growing, as they seek to (C)/ circumvent long hospital waiting lists (D) 2. His only significant literary activity (A)/ in 1965 was the editing of the (B)/ three war novels into a single (C)/ volume, published as Sword of Honour. (D) 3. It is also possible that (A)/ volcanic activity on Mars (B)/ will occasionally melting subsurface ice, (C)/ creating large temporary lakes. (D)Solution
1-C: replace the plural verb ARE with the singular IS as the subject NUMBER is singular. 2- no error. 3-C: replace the continuous form verb MELTING with MELT as the modal verb WILL will take the base form of the main verb. Thus, (d) is the right answer.
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