The printer is of good quality. _____ it break down within the first year, we would repair it at our expense.
— Alice came back home the day before yesterday. — Really ? Where _____?
— I will come to attend your lecture at 10:00 tomorrow. — I’m sorry, by then my lecture will have ended and I _____ my guests in my office.
— Has Jack finished his homework yet? — I have no idea;he _____ it this morning.
The traffic in our city is already good and it _____ even better.
I’ve finally finished my paper and it _____ me an entire month.