Two weeks ago, I bought a bicycle. If you live in town, it is often faster than a car and you           worry about parking. 
#63007
A
must not
B
should not
C
don't have to
D
may not
推荐题目
---____, sir, how can I get to the nearest bank?-- You can ________ a No 2 bus at the station..
#75709
A
Excuse me, get on
B
Sorry, getting on
C
Excuse me,getting on
D
Sorry, get on
--Do you like these yellow shoes?--Yes,      
#76840
A
I don’t like them
B
I’ll take it
C
I’ll take them
D
it’s 5 dollars
You _________ drive on when the traffic light is red.
#74379
A
can’t
B
needn’t
C
mustn’t
D
may not