While shopping, people sometimes can't help _______ into buying something they don't really need.
It shames me to say it, but I told a lie when ______ by my head teacher why I was late for school.
______ it rain tomorrow, we would have to put off the sports meeting.
Tom seldom, ______, paid for the software on his computer. That is, he used lots of pirated software.
It was not until I visited Venice ______ it really worthy of the reputation of “the water world”.
Nowadays, an increasing number of museums are open to visitors free. However, free ______ might lead to some social problems as well.