A. should do
B. should be doing
C. should have done
D. should have
第1题:
A.knows...how
B.know...how
C.knows...what
D.knew...what
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:
—What (happen) to Herry last night? .
—He_________ (fall) down and_________ (hurt) his leg.
第4题:
He()lunch in the canteen right now.
A. has
B. is having
C. have
第5题:
He’s watching TV? He’s ________ to be cleaning his room.
A) known B) supposed C) regarded D) considered
第6题: