—It’s reported that the new underground line has been completed. —Yes, but it hasn’t been made clear__________it’s to be opened to traffic.
-- We could invite John and Barara to the Friday night party. --Yes, ____? I’ll give them a call right now.
Try ___ she might, Sue couldn’t get the door open.
I’m sorry I didn’t phone you, but I’ve been very busy ___ the past couple of weeks.
The two girls are so alike that strangers find ____ difficult to tell one from the other.
It ___ be the postman at the door. It’s only six o’clock.