We’ll climb the mountain _______ the weather is bad this weekend.

Of the two lectures, the first was by far _____, partly because the speaker had such a dynamic style.

What are the police doing?—They are _________the mountain ___________ the escaped prisoner.

.I won’t call you, __________ something unexpected happens.

Though the price of gas has gone up a lot since November 2010, the man doesn’t it at all, for he has a well-paid job.