Nobody can be successful in everything in life. In other words, you might fail ________ others succeed or the other way around.
A. whereB. sinceC. althoughD. unless
Why, you’re late again! I ________ here for over two hours!
A. am waitingB. waited
C. have been waitingD. was waiting
I’d like to eat out, but, ________, I should be trying to save money.
A. on the contraryB. on the other hand
C. for one thingD. in the end
Never count on him to make any complaint to the manager. He is really ________.
A. blueB. greenC. redD. yellow
Shenzhou I, ________ many of you are old enough to remember, was launched in November, 1999.
A. whatB. thatC. asD. one
Why are you here? You are supposed to ________ the experiment in the lab.
A. performB. be performingC. have performedD. be performed
