______did the rainstorm come， Mr． Liu？
While we_____a chemistry lesson yesterday afternoon．（ ）
| A． |
When； have had |
B． |
When； were having |
| C． |
While； are having |
D． |
While； have |
My mother will be years old next week.I'm planning to buy a gift for her birthday.
A．fourty；fourtiethB．forty；fortieth
C．fourty；fortiethD．forty；fourtieth
The two books are about English.You can choose of them to read.
A．all；bothB．all；either
C．both；eitherD．both；neither
— Hurry up，dear! we won't catch up with the train.
— Don't worry!Time is still enough we can make it.
A．And；orB．Or；butC．And；butD．Or；and
— What happened to Tony？
— the morning of a rainy day，he a bike and hurt his legs.
A．In；put offB．On；fell off
C．In；fell offD．On；put off
China is Asian country，while France is European country.
A．an；aB．a；anC．an；anD．a；a