_______ that the scientist will give us a talk next month?
A、IstrueB
it在句中作形式主语，that引导的从句是真正的主语。本句运用的是疑问句式。
Thechallengeisnotoneofexpansion._______,therapidgrowthinenrollmentoverthelast40yearshascometoanend.
Thoughshe_____andpleaded,herefusedtogotothedance.
“Humancapital”isusedprimarilyto______humanbeingswhoseonlypurposeistogeneratewealthfortheupperclasselite.
Idon’tthinkthechargeforoverhaulingtheequipmentisexcessivein_______toitssize.
________Tomhasdonereallyamazedeveryoneinhisclass.
