____to carry him?1 did they have 2 had they 3 must they 4 ha

____to carry him?1 did they have 2 had they 3 must they 4 ha these books ____to him they are mine They must have gone there two days ago,did not they?We must When they put they must have It must have been they who picked the flowers.这里的强调句的must ha They had to walk here,___ they?A.mustn't B.did C.didn't D.ha they must have连读 They.,did they?(造句) how often___checked?1 have they it 2 they have it 3 do they They have focused their research on habitats they believe ha What must they do?They must have a hoilday.标 They had a hard time __ the plan A.to carry out B.to have ca