As we know，printing during the Sui and Tang Dynasties in China．（ ）
| A． |
invented |
| B． |
is invented |
| C． |
was invented |
Another bridge over the Jialing River__________last year．（ ）
| A． |
builds |
B． |
built |
C． |
is built |
D． |
was built |
They hope_______ the basketball match．（ ）
| A． |
win |
B． |
won |
C． |
to win |
D． |
winning |
Listen! Our teacher________in the music classroom．（ ）
| A． |
sings |
B． |
sang |
C． |
will sing |
D． |
is singing |
What a______boy! He worked out such a difficult math problem．（ ）
| A． |
strong |
B． |
kind |
C． |
lazy |
D． |
clever |
Would you send me some_____of yours？ I miss you very much!（ ）
| A． |
magazines |
B． |
photos |
C． |
money |
D． |
advice |