21.Last Sunday morning we all_____Mr Wang’s wedding,including the managers.
A.joined B.took part in C.attended D.joined in
22.The pupil is clever enough to______all these numbers correctly.
A.add up B.add to C.add up to D.add
23.The doctor came up and asked me ______the day before.
A.what had I eaten B.what I have eaten
C.what have I eaten D.what I had eaten
