I don’t know _____makes her afraid of having her business discussed.
| A.what it is about Mary that | B.that is it abut Mary what |
| C.what is it about Mary that | D.that is about Mary what |
We should consider the students’ request the school library provide more books on popular science.
| A.that | B.when | C.which | D.where |
—Is there any possibility you could pick me up at the airport ?
—No problem
| A.when | B.that | C.whether | D.what |
The how to book can be of help to wants to do the job.
| A.who | B.whomever | C.no matter who | D.whoever |
The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
| A.what | B.which | C.that | D.though |
She is very dear to us. We have been prepared to do it takes to save her life.
| A.whichever | B.however | C.whatever | D.whoever |