Please check my answers to the small 5-question test

Please check my answers to this small test.

1. It's my parents' anniversary next week. They ___ married for twenty years.
a) will
b) will be
c) are going to be
d) will have been

My answer: b, c.

2. Choose the sentences with the Gerund form.
a) Running is fun.
b) I need to buy some medicine. My nose is running.
c) Where are you running to?
d) My favourite sport is running.

My answer: b, c.

3. Choose the sentences where the verb 'will' is not used as an auxiliary one:
a) Think of my acts as you will.
b) If the sun keeps shining that way the snow will have melted by Friday.
c) I need a new door lock. The old one will not open.
d) My sister is crying. You will now go and apologize.

My answer: a, d.

4. Trying to get to the city center by bus you got stuck in a traffic jam. What would you say? The traffic is awful in the city center, the ___ way is to travel around by underground.
a) worst
b) best
c) better
d) most good

My answer: a, b.

5. You bought some ice-cream, left it on the table and then your friend suddenly called you over Telegram. When you finished talking ...
a) the ice-cream is melting.
b) the ice-cream was melting.
c) the ice-cream had already melted.
d) the ice-cream had been already melted.

My answer: c.