Ordinary soap, _________ correctly, can deal with bacteria effectively.
used
to use
using
use
—Forgotten something?I can keep an eye on your kids if you want to go and get it. —________Thank you all the same.
---- _____? ---- You were saying you sold the house and left your hometown.
It is so nice to hear from her. __________, we last met more than thirty years ago.
—Would 13:00 be convenient? —________, but I'll have to check my schedule for sure.
—Can I really get a mountain bicycle as a reward if I win the race? —Absolutely! ________.