Itisnotdecided________theconferencewillbeheld.
A、whatC
A 什么 B 哪一个 C 什么时候 D (无词义)
The reply, when it finally came, was ________ the negative.
Itisnotdecided________theconferencewillbeheld.
Thesyntacticrulesofanylanguageare______innumber.
By"languageacquisitionisprimarilytheacquistionofthegrammaticalsystemoflanguage",linguistsmeanthat______.
Theengineer______myfatherworksisabout50yearsold.