——It's said that shopping online is safe.
——_____.You'd better be careful.
A. I agree B. That depends C. Ithink so. D. No problem
The weatherman says a rain shower _____ this afternoon in the south.
A. expects B. expected C. is expected D. was expected
Yuan Longping is______ regarded as the greatest scientist in rice planting.
A. suddenly B. patiently C. hardly D. generally
（题文）Little Jack has learned to do lots of things on his own , ______ he is only four years old.
A. if B. though C. for D. since
——Will you go to the picnic this Saturday?
——I'd like to,______ I'll have to help look after my baby sister.
A. but B. or C. and D. so
The speaker showed some ______ examples to make the science report easy to understand.
A. awful B. stupid
C. proper D. thick
