It was a small place then compared to _______ it is now.
A、whatA
whatitis是介词to的宾语从句，相当于一个名词。comparedtowhatitisnow：与它现在的样子相比。
The volunteers would rather go by train than ________.
Lyingundertheskull,thehumanbraincontainsanaverageoftenbillionnervecellscalled______.
Johnsonwas________unknownbeforerunningforthepresidency.
Thesyntacticrulesofanylanguageare______innumber.
Youngerchildrenarecurious________howthingswork，andmanyofthemwanttotakeaparteverythingwithintheirreach.
