In order to take a pleasant trip to Kunming， Dave emailed me to ask _____．（ ）
| A． |
what was Kunming most famous for |
| B． |
what Kunming was most famous for |
| C． |
whether is summer a good time to come |
| D． |
whether summer is a good time to come |
﹣Our classroom _______．Don't throw rubbish here and there，please．﹣Sorry．I won't do that again．（ ）
| A． |
was cleaning |
B． |
cleans |
| C． |
was cleaned |
D． |
cleaned |
He studies hard all the time，_______ he has made rapid progress in many ways．（ ）
| A． |
so |
B． |
because |
C． |
but |
D． |
yet |
﹣Do you know the man _______ is cooking in the kitchen？
﹣Sure．He is my uncle．（ ）
| A． |
whose |
B． |
which |
C． |
who |
D． |
whom |
I want to know if he _______ tomorrow，if he _______，please call me in time．（ ）
| A． |
will come； comes |
B． |
comes； will come |
| C． |
comes； comes |
D． |
will come；will come |
﹣May I speak to your headmaster？
﹣Sorry，he isn't here．He _______ to Guiyang on business．
| A． |
have gone |
B． |
has gone |
C． |
have been |
D． |
has been |