—It's dangerous to swim in this river.—Yes,you are right.The government has ______ people not to swim in it.
--- Where ___________ your pen pals from?--- The United States.
This is a nice city ______ many interesting places.
- Would you like some more soup?-_________. It is delicious, but I’ve had enough.
I really enjoyed your speech, ______ there were some parts I didn’t quite understand.
-May we start the meeting now?-No, we________ . We__________ to start until the manager comes.