It was ______ day that he decided to study indoors. A: so a cold B: a so cold C: such a cold D: such cold a

It was ______ that day . A: much too cold B: too much cold C: very much cold D: much very cold

__________, he always goes to swim in winter. A: However it is cold B: It is cold however C: However cold is it D: However cold it is

______ night that I could hardly fall asleep. A: So cold was it last B: So cold was it C: So cold it was last D: So cold it was

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

________hard before, Tom is afraid of failing in the exam. A: Having been worked B: Not to have worked C: Having never worked D: Never have worked

Beth( )California in 1981 and( )in Texas ever since. A: has left; worked B: left; has worked C: has left; has worked D: left; worked

Mr. Smith _______with the government for 40 years by the time he retired. A: would have worked B: has worked C: could have worked D: had worked