_________ hard one may work, one cannot master a foreign language in a year or two.
| A．Though | B．As | C．While | D．However |
Different countries have different cultures and laws. You have to be prepared to ______ the change when you move to a new country.
| A．adapt to | B．test out | C．set aside | D．reflect on |
As a journalist, Joan finds _______ worthwhile to spend time chatting with people of different backgrounds and nationalities.
| A．one | B．that | C．her | D．it |
It was a time ________ volunteers from all over the world visited this nursing home regularly.
| A．which | B．what | C．where | D．when |
The new policy, if strictly______, is bound to benefit lots of low-income families
| A．distributed | B．operated | C．declared | D．resigned |
Time ______, I’ll arrange for you to meet Professor Li before you leave for Japan.
| A．permitted | B．permits | C．permitting | D．to be permitted |