You should ask Bob ______ his own clothes．He is ten years old now．（ ）
| A． |
wash |
B． |
washes |
C． |
washing |
D． |
to wash |
In many eastern European countries，you are supposed to ______ your gloves before shaking hands．（ ）
A．take offB．shut offC．cut offD．put off
They have collected more than 14，000 books since the library_____ last month．（ ）
A．builtB．was builtC．buildsD．is built
When President Xi Jinping has spare time，he enjoys_______and sports．（ ）
A．readB．readsC．to readD．reading
Doctors in the town are using the books______their studies and treat patients．（ ）
A．continueB．to continue
C．continuingD．continues
My arm is still painful，_______I'm going to see a doctor．（ ）
A．soB．forC．butD．or