Correct option is A
The correct option to fill in the blank is (a)
Filter.
Explanation: The correct verb that collocates with “tap water” and “before drinking” is “filter”, which means to remove impurities. (Filter = छानना)
Example: I always
filter the water before using it for cooking.
Explain why other options are incorrect:
·
(b) Flush: To clean with a flow of water. (बहाव से धोना)
·
(c) Flirt: Behave playfully or romantically. (इश्क लड़ाना)
·
(d) Flicker: To shine unsteadily. (झिलमिलाना)