Fill in the blanks with suitable words. Mobile phone is (a) — great invention of science. We use it to talk (b) — people anytime. It has made communication easy and fast. But its misuse (c) — causing problems. Many students waste time (d) — mobile games and social media. Mobile phones should be used (e) — purpose only. We must not use mobile (f) — walking or driving. Overuse can lead (g) — addiction. Parents should monitor mobile usage (h) — their children. It is a tool (i) — benefit, not to harm. So, mobile should be used wisely and (j) — moderation.