.He keeps on with physical training in winter _________ cold it is.
| A．whatever | B．no matter how | C．whether or not | D．although |
Einstein liked Bose’s paper so much that he ___ his own work and translated it into German.
| A．gave off | B．turned down | C．took over | D．set aside |
–---Where was it that you found your bag?
----- It was in the restaurant _________ we had lunch yesterday.
| A．where | B．that | C．which | D． when |
This is the third book that he has written in the past five years , the first of ____ I really enjoyed.
| A．those | B．that | C．which | D．them |
He began to take political science _________ only when he left school.
| A．strictly | B．truly | C．carefully | D．seriously |
Yesterday I went to see him, _________ that he had gone abroad two days before.
| A．only to learn | B．to learn only | C．only learned | D．only learning |