English Grammar - Upper Intermediate

My father has grown a beard. At first I didn't like it but now .......

Open the window, ..... you?

Which of the following is not correct?

We enjoyed our holiday ..... bad weather.

Which is the correct question tag? "Let's go for a walk, .......?"

By the time I arrived at the station, the train ......... .

By the year 2020 the population of the world .... to 8 billion.

Choose the correct sentence!

Which of the following is the strongest advice?

They've had two children, ...............?

In the sentence "You'd better take an umbrella, it might rain," - "d'better" stands for ....

Where's James? He's an hour late! He might .... lost.

What does not go in the space? When I was a boy, all my family ... to my grandma's every year.

Which of the sentences is a correct past conditional?

Fill in the sentence with the correct word. " I wish it ......... stop raining.

Which is the correct reported speech of - He said, "Do you have a car?"

If it ................ sunny, we'd go to the beach

Which sentence is correct?

In one of the following sentences, change ‘like’ to ‘as’.

My shoes have holes in them, it's time I ... new ones.

It doesn't snow in one of these sencences. Which one?