The teacher ______ be in the office; maybe he is in the library.
A、might
B、could
C、may not
D、can not
第1题:
A.can
B.could
C.is able to
D.must
第2题:
Teacher:Where is Mike this morning?
Student:He's got a cold.
Teacher:______
A、He is absent.
B、What's the matter with him?
C、Just tell him to take it easy.
D、What? Where is he?
第3题:
第4题:
A. can
B. could
C. might
D. should
第5题: