Question

Over the last fifty years, computers ________(develop) drastically.
Fill in the blanks with suitable forms of verbs given in brackets

Answer 1

Answer:

Over the last fifty years, computers had developed drastically.

                             Hope it helps you^_^

Answer 2

Over the last fifty years, computers have developed drastically.

• The present perfect tense refers to an action or situation that occurred at an undetermined period in the past (e.g., we have previously discussed) or that began in the past and proceeded until the present moment (e.g., he has grown impatient over the last hour).
• This tense is produced by the conjunction have/has plus the past participle.
• To produce the present perfect tense, we use the words have or has followed by the verb's past participle.
• As a result, the answer to the question will be 'have developed.'