Is that Mary over there？
It _____ be her． She has gone to Kunming．（ ）
| A． |
may |
B． |
must |
C． |
can't |
D． |
mustn't |
相关试题
I didn't see you at the meeting yesterday．Why？
I ________ for an important telephone call at that moment．（ ）
A．waitB．waited
C．am waitingD．was waiting
Speak aloud，please! I can ________ hear you．（ ）
A．usuallyB．almostC．hardlyD．nearly
When I walked past the park，I saw some old people Chinese Taiji．（ ）
A．doB．didC．doingD．are doing
B．
C．
D．
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