Mrs.Smith finds it hard to clear up the mess,as her children are always ________ whenever she tries to. (2013·福建,29)
There are five pairs ______,but I’m at a loss which to buy.
----Let me tell you something about the journalists. ----Don’t you remember ______me the story yesterday?
Robert is said _______abroad, but I don’t know country be studied in . A. to have studied B. to studyC. to be studyD to have been studying
.She asked me to help her, _____that she couldn’t move the heavy suitcase alone
To fetch water before breakfast seemed to me a rule________. A.to never B never to be broken C. never to have broken D. never to be breaking