The wind is always blowing here．—How I wish it ______ today

________ no modern technology, the Egyptians had to move each stone by hand.

Following the guide, we went into a house, _________ wall hung a picture of Einstein.

Sir, you ______ be sitting in this waiting room. It is for women and children only.

Where did you meet him for the first time? — Maybe it is in the museum we listened to the lecture we got to know each other.