— Hurry up, the train ________ at 8 O’clock.
— I________, Mum.

The past 30 years__________ the great changes that have taken place in my hometown.

Her car has been very dirty. She has got to _______.

He asked me how much ________ on the mountain bike.

I called Hannah many times yesterday evening, but I couldn't get through. Her brother ______ on the phone all the time.

China _______ rapid progress in space technology in the last 10 years.

I _____ all the cooking for my family, but recently I’ve been too busy to do it.

--- How many concerts ____ up to now?
--- About 25. Last night we ____ our biggest one.

The London 2012 Olympic Games marks the third time that London ______ the right to host the modern Olympics.

I called him many times, but I didn’t get through, maybe his mum _   on the phone all the time．