69. We had to _______hundreds of peoplebecause all of the seats were sold.

Because of ______ high demand for Type ABblood, ______ supplies of it are usually limited．

The place_____ the bridge is supposed to be built should be _____ the cross-river traffic is the heaviest.

Please open the window, Daniel.—_________ I can’t hear you well.

Would you like ______ eggs , please—Yes, I’d liketo.