Your dream will not come true you keep trying your best．（ ）
| A． |
when |
B． |
unless |
C． |
whether |
D． |
because |
﹣It is believed that a model plane of will be shown at the science fair next month．
﹣How about ？（ ）
A．Bob's； yourB．Bob； yours
C．Bob's； yoursD．Bob； your
﹣Look! alien is running after the man．
﹣Haha， they are making a movie on street．（ ）
A．An； theB．The；/C．A； theD．The； an
Could you tell me________？
Once a month．（ ）
| A． |
how often do you go to the supermarket． |
| B． |
how often you go to the supermarket |
| C． |
how soon will you go to the supermarket． |
| D． |
how soon you will go to the supermarket |
You should _______your shoes before you enter the dance room．（ ）
| A． |
take off |
B． |
put off |
C． |
get off |
D． |
fall off |
I think all the heavy and difficult jobs ______by machines and robots in the future．（ ）
| A． |
do |
B． |
will do |
C． |
are done |
D． |
will be done |