1 .I got up early ______ I could catch the first bus.
A. so B. because C. so that D. when
2. He was _____ excited _____ he could not speak.
A. such;that B. so;that C. too;to D. not enough;to
3. He was late for school ________ he helped an old woman go home on his way to school.
A. so that B. because C. yet D. but
4. My mother didn’t go to bed ______ father came back last night.
A. after B. when C. until D. since
5._______ Mr. Smith didn’t feel well, he still come to give us lessons.
A. So B. Because C. Though D. As