Mark needs to learn Chinese ________ his company is opening a branch in Beijing.

A. unlessB. untilC. althoughD. since

They have finished the work by themselves, ________ I told you.

A. whatB. asC. thatD. when

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

We all know that a smile is usually a sign ________ people feel friendly and happy.

A. whenB. howC. thatD. if

The shocking news made us realize ________ terrible problems we would face.

A. whatB. howC. thatD. which

He was inspired to start again ________ he had failed.

A. in whichB. whatC. whereD. that

“Sorry” is the hardest word to say sometimes ________ you know you’ve done something wrong.

A. even ifB. as ifC. only ifD. if only

________ I achieve something in my studies, my mother has a big smile on her face.

A. In caseB. BeforeC. AlthoughD. Every time

I’ve become good friends with some of the students in my school ________ I met in the English speech contest last year.

A. whoB. whereC. whenD. which

—I told you that he would go abroad.

—Actually I had little doubt ______ it was true.

A. whetherB. whenC. thatD. how