The purpose of the scheme is not to helpthe employers but _____ work for young people.
He came back late, _____ which time all the guesses had already left
What color is it — ______.
The train CRH380A, _____ trial operation on the Shanghai-Hangzhou high-speed railway, set a speed record of 416.6 kilometers per hour. [ ]
we were listening to the speechattentively, a voice ________ to announce the result of the election