I will be in senior high school ______ a month． I can't believe the time went by so fast．（ ）
A．atB．inC．on
How should you add the correct punctuation marks to the following sentence？（ ）
A．Amy said "If it rains tomorrow，we'll stay at home．"
B．Amy said "if it rains tomorrow，we'll stay at home．"
C．Amy said，if it rains tomorrow，we'll stay at home．
D．Amy said，"If it rains tomorrow，we'll stay at home．"
We can't enter the room．I can't find my key．
Is it possible that you ________ it at home？（ ）
A．leftB．fixedC．managedD．designed
Give me a chance，________ I'll prove it to you．（ ）
A．andB．tillC．thoughD．while
When did the classroom have a power cut？
This morning，while we ________ a physics lesson．（ ）
A．have hadB．were having
C．are havingD．will have
Would you like some green tea？
No，thanks．I ________ drink green tea．It hurts my stomach．（ ）
A．almostB．seldomC．onlyD．still