I don’t think ____ possible to master a foreign language without much memory work.
—I’m sorry I didn’t make it to your party last night. —_______, I know you’re busy these days.
As a green hand, he doesn’t know it takes to start a business here.
—Silly me! I forget what my luggage looks like. —What do you think of over there?
The church tower which ________will be open to tourists soon. The work is almost finished.
The manager was worried about the press conference his assistant _______in his place, but luckily, everything was going on smoothly.