_________ the flight to New York will be delayed is _________ I’m especially worried about.
| A．If; what | B．Whether; that | C．When; that | D．Whether; what |
She made me promise not to ________ where it was hidden.
| A．give away | B．give out | C．give up | D．giving off |
It has been five years since this party____. Many people wonder whether it will stay on.
| A．has come to power | B．came to power | C．has been in power | D．in power |
Take warm clothes________ the weather is cold.
| A．in case | B．in case of | C．because of | D．so that |
Customs vary greatly _______ country to country.
| A．from | B．at | C．for | D．with |
I often reply to his blog only to show my of his thoughtfulness .
| A．achievement | B．agreement | C．attention | D．appreciation |