He was inspired to start again ________ he had failed.
A. in whichB. whatC. whereD. that
The shocking news made us realize ________ terrible problems we would face.
A. whatB. howC. thatD. which
We all know that a smile is usually a sign ________ people feel friendly and happy.
A. whenB. howC. thatD. if
The way ________ was thought of by him of doing the experiment was similar to the way ________ you carried it out.
A. that; whichB. which; in which
C. what; thatD. it; that
They have finished the work by themselves, ________ I told you.
A. whatB. asC. thatD. when
Mark needs to learn Chinese ________ his company is opening a branch in Beijing.
A. unlessB. untilC. althoughD. since
