We are in a difficult position in____ we have nobodyproperly qualified for this work.

I’ll be able to come to see your performance at 8:30 tomorrow evening.—I’m sorry, by then my performance____ and I___ reporters in the meeting room

They____on the program for almost one month before l was arranged to help them. Now, we____on it as no result has come out.

In my opinion, mathematics _____fun, but more than 80% of the group _____agree with me.

Tom’s father____ to London last month. He ______ there three times.