The days _______ we spent together on the farm are not easy _________.

Let’s go to the concert tonight, Michael!—Sorry, I _______. I have to help my mother with the housework

Hello, is Mr. Smith at home?—Sorry, but he _____.

It is believed that if an event is ________ in the paper, it will surely ________ its readers.

The new CRH train between Beijingand Shanghai _______ speed once reached about 350km/h has had a 50 kph speedcut to 300 kph