They can hardly move at all, _____________?

— Who’s singing in the next room?— It ____ be her . She has gone to New York.

—I ________ speak English in class because I’m afraid of making mistakes. —Don’t be shy. Believe in yourself and everything will be OK. 

Tom’s uncle knows computers well, and he __________ a computer engineer .

My car is covered with thick snow and now the engine simply ______ start.