After graduation she reached a point in her career __________ she needed to decide what to do.
| A．that | B．what | C．which | D．where |
—How long have you been learning English?
—About four months.
—________! Your English is so good.
| A．You can’t be serious | B．You got it |
| C．I couldn’t agree more | D．I’m stuck |
Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school.
| A．had left | B．would leave |
| C．was leaving | D．has left |
It was only after he had read the papers _____Mr. Gross realized the task before him was extremely difficult to complete.
| A．when | B．that | C．which | D．what |
When I arrived, Bryan took me to see the house，_____ I would be staying.
| A．what | B．when | C．where | D．Which |
_______ more and more people speak the global languages of English,
Chinese, Spanish, and Arabic, other languages are rapidly disappearing.
| A．When | B．While |
| C．As | D．As soon as |