【題目】(2018石家莊新世紀外國語學校一模)He was disappointed ________ he didn't pass the exam.
A.whenB.if
C.becauseD.although
【題目】(2018邯鄲一模)The first thing ________ should be done is to save the patient.
A.whichB.thatC.whoD.whom
【題目】(2014河北32題)Diana isn't here, ________ leave a message on her desk.
A.orB.soC.andD.but
【題目】Can you see the girl ________ outside the classroom? She is Miss Li's daughter.
A.standsB.standingC.standD.to stand