They _____ some useful information to the police .
Excuse me, sir. I bought the shoes yesterday, but they are in different sizes. One is size 37, _____is size 38.
Tom. Mary can’t open the box. can you give ______ a helping hand?
-----Would you like some______?-----OH, YES, just a little.
_______December 11,2001, China formally became the 143rd member of the WTO
We are planning______ one-day trip to Century Park during the winter holiday ______ trip must be full of fun, I think.