So much progress _____ in the past few months that she now has no difficulty in making herself understood in English.
Continue heating until steam _____.
It is getting late. It’s time we _____.
There _____ an English evening party next Saturday.
—What are you doing under the table? —I _____ to find my watch.
If it were not for the fact that you _____ ill, I would ask you to do this right now.