It is（）good exhibition that I have seen it several times.

单项选择题By the time he got up，he found his father （）to work.

A.went
B.have gone
C.gone
D.had gone

单项选择题I think I have （）my key in the car.

A.forget
B.left
C.forgotten
D.leave

单项选择题（）our surprise,he failed the math exam.

A.In
B.On
C.To
D.At

单项选择题He （）an English club last year and has improved his English a lot.

A.protected
B.produced
C.joined
D.received

单项选择题-What a heavy rain! -So it is.I prefer（） rather than （）on such a rainy day.

A.to go out；stay at home
B.to stay at home；go out
C.going out；stay at home
D.staving at home；goout

单项选择题（）you promise to come to help me，I don’t mind what time tomorrow you arrive at my place.

A.So long as
B.So far as
C.As good as
D.As well as

单项选择题Most people，when they talk about education，think that it is only a task for teachers，（）we teachers consider it is a job of the whole society.

A.whenever
B.while
C.thus
D.otherwise

单项选择题They were surrounded by the enemy，but they（）at last from the village.

A.managed escaping
B.tried to escape
C.managed to escape
D.tried escaping

单项选择题He is used to attending evening courses（）no matter what kind of weather he meets with．

A.normally
B.usually
C.commonly
D.regularly

单项选择题To their great relief，the missing child returned home，（），after an absence of two weeks.

A.looked tired and healthy
B.tired and healthy
C.tiredly and healthily
D.looking tired and healthily