It is essential that these application forms ？

It is essential that these application forms _____

When prices range from $34,500 to $50,000 per car, evidence that these machines are more than a cut above the rest is essential.（英译中)

While it is essential that the text covers the subject adequately, it is also important th

It is essential that these papers ___________ in time.A. are sentB. be sentC. will be s

It is essential that the temperature not be elevated to a point______ the substance formed

While it is essential that the text cover the subject adequately, it is also important tha