（）heavy commitments，we cannot accept any fresh orders. A: a.Due B: b.Owing to C: c.Because D: d.Inaddition to

He didn't go to the party not ____ the time but ____ he was ill. A: because of, because B: because, because C: because, because of D: because of, because of

He married ______ he loved her but because he was indebted to her. A: not because B: because not C: because D: though

I think it is _______ you are doing too much.: because|because for|because of|because that

Water supplies are cut A: because the channels are broken B: because of the high temperature C: because wells are drying up D: because of the rain

Why is John interested in the hamburgers A: [A] Because they are hot. B: Because they are ready-made. C: Because they are made by the microwave.

Why was the man late home A: Because of the lorry accident. B: Because of the train strike. C: Because of the bus strike. D: Because of the car accident.

2. ()() A: Because she is from China. B: Because it is not allowed in her company. C: Because she is not familiar with the man. D: Because she is reserved.

A．sinceB．forC．becauseD．because of A: since B: for C: because D: because of

74（） A: because of B: because C: for D: from