It snowed heavily for three days ____ and they were separated from the outside world.
| A．in the end | B．on end | C．by the end | D．at the end |
They had an accident on the road and didn’t ________ at their hotel until after midnight.
| A．check out | B．check in | C．check on | D．check over |
He began to take political science__________ only when he left school.
| A．strictly | B．truly | C．carefully | D．seriously |
Residents in Wuhan will be__________ to watch horse race every week since it is expected to be open formally in 2010.
| A．offensive | B．thankful | C．fortunate | D．fantastic |
I left Jack__________the suitcase while I went to get the tickets.
| A．in favour of | B．in ease of |
| C．in need of | D．in charge of |
--How many students are there in your class___________?
--Forty-five.
| A．at all | B．in total | C．in the end | D．in the total |