[填空题]Where can you go to sit down for half an hour before the departure of your train

[填空题]Why don’t you sit and smoke as long as you can afford to hire other people to play baseball for you and __________________________

[填空题]You can sit on this on the beach or use it to dry yourself. t ______

[填空题]You should wait here before you sit down.

[填空题]You sit down and have a meal there.

[填空题]By the time you sit for the examination next month, you (complete) ______ the course.

[单项选择]

What was the woman doing half an hour ago
A. Having a class.
B. Waiting at the bus-stop.
C. Having her guitar repaired,
D. Preparing their lunch.

[单项选择]After walking for half an hour, she realized that she( )in the wrong direction.
A. had been walking
B. has been walking
C. walked
D. would have walked

[单项选择]But when you do, it’s not half as hard as you thought it would be, and it’s twice as rewarding as you might have hoped.
A. 但当你真正做的时候，它的难度还不到你预料的一半，而它的好处却是你原本期望的两倍。
B. 但当你真正做的时候，它还不到你以前想的一半难，而它的好处却是你曾经希望过的两倍。
C. 但当你做的时候，它是你想的一半难，是两倍你希望的。
D. 但做的时候，它不到一半难，而且是你希望的两倍好。

[填空题]People can sit on it.

[简答题]It takes half an hour to go to the railway station on foot.

[单项选择]

W: This plane should have taken off half an hour ago.
M: I’m sorry for the delay. We’ll be taking off shortly.

Where are they talking now（　）.
A. At a hotel.
B. At the airport.
C. In the bookstor

[填空题]After the guests left, she spent half an hour (clean) ______ the sitting room.

[填空题]Half an hour’s exercise a day cuts the risks of catching colds in half, a new trial suggests. Brisk walking is all that is needed, and the longer that you continue to exercise daily the greater the (26) .
The trial (27) 115 older women from Seattle, Washington state. All were sedentary and either (28) or obese. For a year they were asked either to exercise daily or take part in a 45-minute stretching class once a week.
The women were (29) . allocated to one or other of these groups, and every quarter were asked to fill in questionnaires asking them whether they had suffered colds or other upper respiratory (30) in the previous three months.
The results show that the daily exercise group had only half as many colds as the weekly stretch-class group. "This adds another good reason to put exercise on your to-do list," said Cornelia Ulrich, an (31) member of the Fred Hutchinson Cancer Research center’s pu