– One week’s time has been wasted – I can’t believe we did all the work for ________
He made a wonderful discovery,of great importance to science. A which I think is B. which I think it is C. which I think it D. I think which is
Come and see me whenever . A. you are convenient B. you will be convenient B. you will be convenient C. It is convenient to you D. it will be convenient to you
---Whose advice do you think I should follow? ---
to stay with us, he wouldn’t go with you
Once , the rules will work.