Our school held a sports meeting______ the end of last year. A:in
B:at
C:by
D:till;
B:at
C:by
D:till;
With your brother’s help, I’ve made great progress in English and I really want to do something for him ____ A:in turn
B:by turns
C:in return
D:in answer
B:by turns
C:in return
D:in answer
It rained heavily overnight and not until this morning____. A:did it stop
B:had it stopped
C:stopped
D:it stopped
B:had it stopped
C:stopped
D:it stopped
Who’s at English than Tara—Tina is. She works much ______. A:How great fun
B:What a great fun
C:What great fun
D:How a great fun;
B:What a great fun
C:What great fun
D:How a great fun;
Everybody was touchedwords after they heard her moving story A:of
B:without
C:beyond
D:in
B:without
C:beyond
D:in
Would you like to go ______for a vacation —Yes ,I’d love to . A:somewhere relaxing
B:anywhere relaxing
C:somewhere relaxed
D:everywhere relaxing;
B:anywhere relaxing
C:somewhere relaxed
D:everywhere relaxing;
Canyou believe I had to pay 30 dollars for a haircut——Youshould try the barber’s _______I go It’s only 15 A:has it fixed
B:had fixed it
C:had it fixed
D:fixed it
B:had fixed it
C:had it fixed
D:fixed it
Mother wrapped the baby, who was _____, in a blanket gently A:fast sleep
B:sleeping fast
C:fast asleep
D:slept fast
B:sleeping fast
C:fast asleep
D:slept fast
There was nothing to do but _____ till mother came back. [ ] A: waited
B: waiting
C: to wait
D: wait
B: waiting
C: to wait
D: wait
What’s the matter _____your younger sister — She has a cough. A:forgot， to take
B:left， to bring
C:forgot， to bring
D:left， to take;
B:left， to bring
C:forgot， to bring
D:left， to take;
In our class,when the bell rang and the teacher closed his book ,it was a ________for everyone to stand up . A:signal
B:chance
C:mark
D:measure;
B:chance
C:mark
D:measure;
ook didn’t come back at the usual time lastnight. ______, he met some friends and stayed out until midnight. A:Meanwhile
B:However
C:Instead
D:Anyway
B:However
C:Instead
D:Anyway
How _____ Zhang Ning performed in the badminton singles final! She won another Olympic gold medal for China A:slimly
B:eventually
C:splendidly
D:anxiously
B:eventually
C:splendidly
D:anxiously
DHCP服务器可以分配（）
A、IP地址
B、默认网关
C、DNS
D、以上都是
层次系统结构和基于消息的层次系统结构有什么区别？