I can still remember that it is since the 1990’s, _____ we began to use cell phones,_______ the number of mobile users has greatly increased.
SAT tests your ability to identify main and supporting points and also ______ between them.
I couldn’t believe it, but ______ in black and white, signed by the bank manager.
Make decisions right away, ______ you’ll miss a golden chance.
There is ______ thing as a free lunch. There may be a hidden cost.
We have no extra money. So for the time being, we can’t move to ______ apartment.