It is not yet known __________ will be sent to attend the conference.
A: who
B: when
C: that
D: which
A: who
B: when
C: that
D: which
举一反三
- Who will attend the conference?
- It was on Monday ______ Mark sent the parcel to the office. A: which B: when C: that D: who
- The Communist Party of China sent _____ _____ _____ to attend the Conference of the founding of U.N. and signed the charter.
- Who will provide some funding for students to attend a conference?
- What is the best strategy adopted when people attend the conference alone?