He always brings me a pretty gift ____ he comes to visit me.A by the time B sometimes C every time D at times
--- Was he sorry for what he had done? --- ___________.
.--- Excuse me. Is this the right way to the Summer Palace? --- Sorry, I am not sure, but it _____ be .
_________ the meeting room, he found all the parents already ________ there.
The construction of a 5-million-ton iron and steel works is now under__________.
_________ in the mountains for a week, the two students were finally saved by the local police.