A scientist who can speak English is in closer touch with those of other countries than ______ who doesn’t.
Why ____ you keep troubling your mother with such question while he is busy .
I''m surprised that he ____ to help me when I needed his help .
The men got out and pushed the bus . But it ____ move , not one bit .
The fire spread through the hotel very quickly but everyone ____ get out .
It''s nearly seven o''clock . Jack ____ be here at any moment .