问题
gapore, people______eating or drinking on the subway can be fined up to 500 Singapore dollars.
A:having caught
B:catching
C:caught
D:to catch;
B:catching
C:caught
D:to catch;
正确答案是:
同类题型
To keep healthy, Professor Johnson __________cycling as a regular form of exercise after he retired.
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She looks very happy. She ______ have passed the exam.—I guess so. It’s not difficult after all.