Grammar

When the emergency services finally arrived, the survivors of the air crash ___ for days.

• have been waiting

• had been waiting

• were waiting

• are used to waiting

Neil Armstrong was the first astronaut to walk on the moon, where no man ____ ever walked before.

• would

• has

• could

• had

When the team reached the top, they ____ several members.

• already lost

• had already been losing

• had already lost

• have already lost

'Who ___ the equipment for the expedition?'

'It was John.'

• did prepare

• prepared

• prepare

• have prepare

'You won't meet Jane today.'

'Why not? ___ invited her to the party?'

• You didn't

• You

• Haven't you

• Have you

'___ you enjoy hiking?'

'No, I think it's very tiring.'

• Don't

• Does

• Doesn't

• Didn't

'Tom won the chess tournament!'

'Really? Who ____?'

• did he beat

• does he beat

• he beat

• beat him

You could teach me how to dance, __ you?

• could

• couldn't

• haven't you

• didn't

'Is that your sister jogging in the park?'

'It ____ be her; she hates exercise.'

• shouldn't

• musn't

• can't

• oughtn't

Sammy ___ be tired. She's been climbing all day!

• must

• need

• ought

• can't