John _____ there since the year before, so he ______ them. A: had worked...knew B: had worked...had known C: worked... knew D: worked...had known

() among the peasants for many years, he knew them very well A: Working B: Having worked C: To worked D: Being worked

I knew he worked _______a big company. (为) A: for B: now C: by

______, so they became good friends. A: Mr. Long and Mr. Kidd worked in the same company B: Mr. Long and Mr. Kidd knew each other at a party C: Mr. Long and Mr. Kidd knew much about drinks D: Both Mr. Long and Mr. Kid liked drinking

I knew Mr. Green _____________I knew Mrs. Green.

Every body knew him or knew of him." Knew of " means ___ A: heard of B: liked C: once met D: envied

Every body knew him or knew of him." Knew of " means ___ A: heard of B: liked C: once met D: envied

I ____in this school since 2001. A: have worked B: has worked C: work D: worked

____ in this field for nearly 10 years, Mark has lots of experience and is fit for the position. A: Having worked B: Worked C: To have worked D: Have worked

I regret __________ hard at school, or I would have passed the exam. A: to have not worked B: having not worked C: not to have worked D: not having worked