Someone is knocking at the door. It ______ my mother. It's time for her to be back.
A: can be
B: may not be
C: must be
D: mustn't be
A: can be
B: may not be
C: must be
D: mustn't be
C
举一反三
- Someone is knocking at the door. Who________ it be? A: can B: may C: must D: will
- There is someone knocking at the door. __________ it be Tom? A: Can B: Must C: Should D: Ought
- She was so _____ with her job that she didn’t hear someone knocking at the door.
- "Someone is knocking at the door." "Who can __ be?"
- Must I do my homework at once?-No, you___. A: needn't B: mustn't C: can't D: may not
内容
- 0
Who is your mother's mother? A: My mother your mother's mother. B: My grandfather. C: My father is my mother's mother. D: My grandmother is my mother's mother.
- 1
— The red dress（__）be Linda’s, but I’m not sure. — No, it（__）be. It is too small for her. A: may, mustn’t B: may, can’t C: can’t, may not D: must, can’t
- 2
--____I put my coat here? ----Sorry, you ______. A: Must; mustn’t B: Do; don’t C: Can; needn’t D: May; can’t
- 3
"Someone is knocking at the door.""Who can __ be?" A: he B: she C: it D: they
- 4
—Is Lucy knocking at the door?—No. It ________ be Lucy. She is in Japan now. A: needn’t B: must C: can’t