Henry was ill，so I________go there by myself．
| A．can |
| B．has to |
| C．have to |
| D．had to |
________ helpful the speech is! It tells us to use the Internet safely.
| A． |
What |
B． |
What a |
C． |
How |
D． |
What an |
As a science lover, I hope I can invent a bike ________ can fly in the sky.
| A． |
where |
B． |
when |
C． |
which |
D． |
who |
—There ________ many ancient Chinese poems in this book. Which one do you like best?
—Climbing a Tower by Wang Zhihuan.
| A． |
are |
B． |
is |
C． |
were |
D． |
was |
—________ are these sports socks?
—10 yuan for 3 pairs.
| A． |
How many |
B． |
How much |
C． |
How often |
D． |
How long |
Look! The students ________ an art class in the park.
| A． |
have |
B． |
were having |
C． |
had |
D． |
are having |