My uncle’s house in the downtown area is much smaller than ours，but it is twice________expensive

They are standing ____ together [ ]

thousands of students, many of______ gained great success in their own field

Seventy-two percent of Chinese males____ not want to marry a female ___ is “more capable” than they are.

I wish to thank your student Tom, without _______rescue couldn’t be offered to my drowning boy so soon.