1.I was disappointed that nobody burst into ___when I finished my joke.
A laughter B to laugh C laughing D laugh
2.It seems quite ___to expect a student to acquire so many fresh skills within such a short period.
A urgent B available C scary D ridiculous
3.--So how is your roommate?
--She really ___. She is always making loud noises at midnight and when I remind her ,she always makes rude remarks.
A turns me over B turns me down C turns me off D turns me out
4.Tourism ,while it brings in money to a country ,can also ___damage to the World Heritage sites there.
A result from B result in C come about D lie in