选择正确的代词填空。Someone is knocking at the door, but who can _____be?
A: one
B: be
C: she
D: it
A: one
B: be
C: she
D: it
举一反三
- "Someone is knocking at the door.""Who can __ be?" A: he B: she C: it D: they
- "Someone is knocking at the door." "Who can __ be?"
- When the room attend is knocking the door and nobody answers, can she enter directly to clean the room?
- —Is Lucy knocking at the door?—No. It ________ be Lucy. She is in Japan now. A: needn’t B: must C: can’t
- Someone is knocking at the door. Go to see ______. A: who he is B: who is it C: who it is