Marco Polo is said to have sailed on ______ Pacific Ocean on his way to Java in ______ thirteenth century.
—You___________ stop me. —Even if you __________it, I won't allow you to swim across the river.
He__________ he would be able to leave tomorrow, but it's beginning to take difficult.
—I put him down for a well-educated man. —___________ ? —I mean that he's a well-educated man.
Don't be joking. It's time to____________ your business.
It may not rain, but you had better take an umbrella__________.