—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.
The dog may be a good companion for the old. _______, the need to take it for walks may be a disadvantage.
You were working too hard. You’d better keep a ________between work and relaxation.
The letters for the boss___________ on his desk but he didn’t read them until 3 days later.
-Can I have a day off tomorrow, Mr. Johnson?
-.I can manage without you.
It was difficult being in a foreign country, ________ if you don’t speak the language.