—I will come to attend your lecture at 10:00 tomorrow.— I’m sorry, by then my lecture will have ended and I _____ in my office.
To play basketball and to go swimming ___ useful for character-training.
Early to bed and early to rise ____ a good habit.
Both rice and wheat ____ grown in that country.
They both have some friends; but his ____ more active.
The following ____ some other examples.