I couldn't imagine ________ difficult it was for these badly injured victims to make it to the hospital.
______ everyone is here, let's go for work!
— ___ he have finished his homework? —Yes, he ___. Otherwise, he couldn’t be watching TV now.
Filled with anger, he didn’t shout, but just ___ silently at me.
Rather than ___ on a crowded bus, he always prefers ___ a subway.
If you keep working so hard, I think you will succeed____.