2 Используйте глагол в единственном или множественном числе с данными существительными:
1 Vitamins- are/is good.2 There is\are fibre in apples.3 Your advice is\are useful.4 There is/are false information on the Net.5 Money doesn’t/don’t bring happiness.6 Porridge tastes\taste great!7 The furniture looks\look new.

like watching TV at the weekend. I like surfing the Net. I like chatting online. I like having a long lie-in.
Но если взять устойчивые выражения, в состав которых уже входит ing - форма, то во избежание двух инговых форм подряд, лучше отдать предпочтение инфинитиву. (хотя и две инговых формы рядом - не ошибка, просто они стараются не употреблять их вместе) .
I like to go shopping at the weekend.
I like to go dancing / swimming / bowling/ hiking/ skiing.
I like to do the gardening. I like to do the shopping.

My summer started sad. Mom is at work and I'm alone. Read books, played computer games. Fortunately, not all girlfriends left. (друг/подруга) invited me to the country. There was a lot of fun. We rode on bicycles. On the street we found a stray kitten. We nursed them, fed them. In our eyes, the kittens have grown up and become independent. 
On weekends my mom and I went to the cottage. There I helped the plants watered them, cleaned the weeds. We have appeared at the cottage hedgehog. I always left him a saucer of meat, so he doesn't die from hunger. 
In August I was at sea. It is very warm.