Please look at these stamps．I_____them for five years．
Wow，they are fantastic!（ ）
| A． |
have kept |
| B． |
have bought |
| C． |
borrowed |
| D． |
kept |
Do you like mooncakes or sandwiches for a picnic？
____．They are traditional Chinese food．（ ）
| A． |
Yes，I do |
B． |
Mooncakes |
| C． |
No， I don't |
D． |
Sandwiches |
Without umbrellas， the tourists didn't leave the hotel the heavy rain stopped．（ ）
| A． |
if |
B． |
because |
C． |
until |
D． |
whenever |
Alex often plays soccer with his classmates on the playground．（ ）
| A． |
a |
B． |
an |
C． |
the |
D． |
/ |
There a book sale in our school library once a year．（ ）
| A． |
is |
B． |
was |
C． |
are |
D． |
were |
Sandy， do you know______？
Yes， Some news about black holes．（ ）
| A． |
what Tom is searching for |
| B． |
what is Tom searching for |
| C． |
who Tom is searching for |