非谓语动词时态和语态 谓语及非谓语动词比较 1. Having a trip abroad is certainly good for the old couple, but it remains_ whether they will enjoy it. A. to see B. to be seen C. seeing D. seen2. I hurried to the meeting hall, only_ that the meeting had been put off. A. to tell B. to be told C. telling D. told3. Do let your mother know all the truth, she appears_ everything. A. to tell B. to be told C. to be telling D. to have been told4. It is said
