Answer:
It’s high time that Nepali government invested more in health sectors.
It’s high time that Nepali government spent more in health sectors.
Step-by-step explanation:
The question is incomplete, as there are no options to select from.
I will however give a general explanation.
When a sentence contains the phrase "It’s high time", the verb that follows it must be in past tense.
e.g. left, sent, ate, etc.
Since there is no options, I will think of a verb (in past tense) that can fill then blank.
To complete the blank, I will make use of spent or invested