Last Monday，while the students on the playground watching the national flag
being raised，something unexpected ．
| A．were standing；arose | B．stood；was arising |
| C．had stood；had arisen | D．would stand；would arise |
I hope that the little ________ I have been able to do does good to them all.
| A．which | B．what | C．that | D．when |
I don't understand how you got a ticket．I always ________ you ________a careful driver.
| A．think…are | B．am thinking…are | C．thought…were | D．think…were |
Babies sleep l6 to l8 hours in every 24 hours, and they sleep less ________ they grow older.
| A．while | B．as | C．when | D．after |
________nice weather it is! Let’s go out for a walk, shall we?
| A．How | B．How a | C．What a | D．What |
Bob has a billion dollars while Kate has a million, so Kate is ________than Bob.
| A．less rich | B．not richer | C．no rich | D．poorer |