( )1.It's difficult for you _____on the top of a very high m

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( )1.It's difficult for you _____on the top of a very high mountain.
A.breathing; B.to breathe; C.to breath; D.to be breathing
( )2.--Keep quiet.Dad ________ in the next room.
--Ok.Mum.
A.slept; B.sleeps; C.is sleeping; D.sleep
( )3.The world _______ .Things never stay the same.
A.changes; B.is changing; C.was changing; D.will change
( )4.The dootor told us that the old man was still_____.
A.dangerous; B.a danger; C.in the dauger; D.in danger
( )5.--Where is your mun,Mike?
--She _______ in the kitchen.

1.c
2.c
3.B
4.D
5.is cooking

2.it's the sort of work that calls for a high level of conce they stood on the top of the high building,_____ you could s It s very kind of you.The dishes__(taste)very good and I'm s It's very nice __ you to give me the chance.A.of B.for C.to I'm very sorry for being late.It was good of you ( )for me.A It very nice ( )you to ( ) me about it怎么选 A for ;tell B of;s it's kind of difficult for . It's very kind of you...和 It's very kind for you...的区别 I'm on (the) top of the world.I'm in (a) high spirits.括号里的是否 It's very nice ------ you ------ so.A.of,to say B.for,to say It's very kind ( )you to say so.A.to B.of C.for it's very kind of you[ ] ( do)that for me.