I have to reschedule the appointment with you since there is a ________ in my plan.
| A．contact | B．contrast | C．connection | D．conflict |
The light happened to _______.
| A．go out | B．put out | C．come out | D．take out |
I can’t wait _______ the result of the exam.
| A．to known | B．knowing | C．to know | D．to be known |
This is the person __________ I borrowed some money.
| A．who | B．from whom | C．from who | D．from which |
This is the museum _____ we visited last year.
| A．where | B．that | C．what | D．who |
I caught a bad cold last month and it took a whole week for me to ________ from it.
| A．gain | B．recover | C．treat | D．cure |