He isn't in the school .I think he __be ill.
He isn't in the school .I think he __be ill.
He isn't in the school ,I think he ___ be ill .
He isn't in the school .I think he_____be ill.A.must.B.can C
he isn't at school i think he -----be ill
he isn't at school.i think he ------be ill A.has to B.shall
He isn't at school .I think he ( )be ill.can,shall,must,has
where is xiao ming?i don't know .He __be in the library.
He hasn't come to school today.I think he ( ) be ill.
-Tom isn't at school today.He ____ ill at home. -I'm not sur
Tony isn't at school because he is ill.
He isn't at school today.I think he _____be will
Mr Wang is ill in hospital,isn't he