So although Fleming discovered penicillin, it was over a decade ___________someone else turned penicillin into the great drug of the 20th century.
| A．when | B．that | C．before | D．unless |
. I crossed the street to _____meeting him, but he saw me and came running towards me
| A．get | B．avoid | C．try | D．stop |
. I want to learn about your holidays. Could you tell me how you usually _____Thanksgiving Day in your country.
| A．congratulate | B．observe | C．honor | D．remind |
.Generally speaking, clothing made of man-made is less superior than_____made of natural fibers like cotton wool or silk
| A．that | B．this | C．what | D．One |
. You should treat him (in) the way ____ suits him most.
| A．that | B．in which | C．/ | D．why |
. The days we have been looking forward to ____ soon．
| A．coming | B．will come | C．came | D．have come |