---Do you believe there are aliens?---i'm afraid not.i don't think aliens ____in space.a,can find b,can be found c.can be founded d,can't be foundMary _____many songs at a party.a.heard sing b.heard to sing c,was heard sing d,was heard to singan accident _____on this road last week.a,has been happened b.was happened c,is happened d,happenedhe ______ some pieces of advice,but he ______ to them.a.gave,didn't listen b.was given,wasn't listenedc.give ,was

---Do you believe there are aliens?
---i'm afraid not. i don't think aliens ____in space.
a,can find b, can be found c.can be founded d,can't be found
Mary _____many songs at a party.
a.heard sing b.heard to sing c,was heard sing d,was heard to sing
an accident _____on this road last week.
a,has been happened b.was happened c,is happened d,happened
he ______ some pieces of advice,but he ______ to them.
a.gave,didn't listen b.was given,wasn't listened
c.give ,wasn't listened d.was given , didn't listen
a story ____by Granny yesterday.
a.was told us b,was told to us c.is told us d, told us
it is reported that China's largest museum of modern art ___at the end of 3010.
a.is built b. will be built c.buids d,will build
the room ____,but now it's dirty again.
a,was cleaned b,is cleaned c.cleaded d.cleans
---now computers __C___ in many ways.
---yes,they are very useful
a.use b,will use c.are used d,be used
don't worry. Mary __c___the news already
a,was told b,will be told c.has been told d,is told
you A____smoke in the library.
a,are not allowed to b,were to allowed c,are not allowed
d,were not allowed to

1.B 2.D 3.D 4.D 5.B 6.B 7.A 8.C 9.C 10.A

1-B我不认为外星人会在这个空间被发现.
2-D玛丽在聚会上唱许多歌被听到了.
3-D上周在这条路上发生了一起交通事故.
4-D他被给予一些建议,但他并听他们的.
5-B一个故事在昨天被奶奶讲给我们.
6-B被报道说中国最大的艺术馆将在3010年底建成.
7-A房间曾经是干净的,但他现在又脏了.
8-C现在电脑被应用在众多方面.
9-C玛丽已经被告知这消息.
10-A你不被允许在图书馆抽烟