It’s _______hard for him _______understand spoken English .
Don't keep poison in the kitchen, _______?
We will wait until everyone_______ back.
-How much_______ the shoes? -Five dollars_______ enough.
-Would you like to go to the park with me? -I'd love to, _______ I'm afraid I have no time.
-Are you pleased with the result of the exam, Tom? -Not at all. I can't have_______.