1．He sat at the front ________ be able to hear everything the teacher said.
A．so as to B．due to
C．thanks to D．owing to
[解析]so as to 意为“为了”。句意：他坐在前面，以便能听见老师说的每一句话。due to 由于；thanks to 幸亏；owing to 由于。
[答案]A
2．The supermarket sells many foods that have been ________， so it is convenient to feed your stomach.
A．produced B．stored
C．processed D．charged
[解析]从后一个分句的意思“填饱肚子很方便”可推知前一分句的意思：超市出售很多制作好的食品。process 作动词意为“加工，处理，制作”。
[答案]C
