问题
选择题
He had to do an extra job after work, for he had a big family to ___________.
A．support
B．look at
C．provide
D．observe
答案
答案：A
词义辨析。Support支持，维持；look at 看； provide 提供；observe观察。句意：他不得不在下班后做一项额外工作，因为他有一个大家庭要维持。故选A。