Mike didn’t understand ______ made his wife so upset this morning.A、whatB、whyC、howD、whic

Jack didn’t go with Harry because______． A．he woke up too late B．he didn’t lik

Paul：__________？Mike：It’s SO borin9．1 don’t think mueh of it．A.Did voU attend Professor Sm

I________ from him since he left.A、haven’t heardB、didn’t receiveC、haven’t gotD、didn’t h

There happened to be some students in the room, ______？A．didn"t theyB．didn"t thereC．doesn"

Id rather you______anything about it before he comes back.A．doB．didn"t doC．don"tD．didn"t d

The author s father______.A．didn" t do what the author had suggestedB．didn"t believe what