Younger children are curious ________ how things work ，and many of them want to take apart everything within their reach.
A、ofB
译文：小孩子对事物是如何组成的很好奇，一些孩子总是想把他们够得到的东西都拆开。此题考查短语搭配，becuriousabout对…好奇。
Iwaswritingareportlastnight;________Iwouldnothavestayeduplate.
Theoldcouplehavebeenmarriedfor40yearsandneveronce_______witheachother.
By"languageacquisitionisprimarilytheacquistionofthegrammaticalsystemoflanguage",linguistsmeanthat______.
Itisnotdecided________theconferencewillbeheld.
Theconclusionfromthestudyisnotdefinite;itisjust________.
