—What a nice bike! How long________ you ________it? —Just two weeks.
| A．have, bought | B．did, buy |
| C．have, had | D．are, having |
Natalia, ________ exchange student from Spain, is ________ university student in Sichuan now.
| A． |
a; an |
B． |
an; the |
C． |
an; a |
D． |
a; the |
— Your stamps are so fantastic. Could you please tell me ________?
— Oh, I bought them in the post office next to the bank.
| A． |
why did you buy them |
B． |
where did you buy them |
| C． |
why you bought them |
D． |
where you bought them |
For your safety, you mustn’t get close to the train ________ it stops.
| A． |
while |
B． |
when |
C． |
since |
D． |
until |
How time flies! I ________ a senior high school this September.
| A． |
enter |
B． |
entered |
C． |
will enter |
D． |
have entered |
I advise you not to show ________ on the WeChat because it may cause trouble.
| A． |
anything personal |
B． |
personal anything |
| C． |
something personal |
D． |
personal something |