My father goes to work ______ every day.
A. by a bike
B. in a bike
C. on a bike
We believe we can _____ a way to solve the problem of pollution in the future.
| A．catch up with | B．come up with |
| C．put off | D．set off |
About ____of the students in Grade Nine this year were born in the_____.
| A．three five; 1996 | B．three fifths; 1990s |
| C．third fifth; 1997. | D．third fifths; 1990s |
___ girl who will perform at the party tomorrow comes from _______European country.
| A．The;a | B．A;the |
| C．The;an | D．/;the |
—I am leaving for Switzerland next week. —_____________________!
| A．That’s all right | B．It’s a pleasure |
| C．Enjoy yourself | D．You’re welcome |
Sue has many nice dresses.She wears a different one every day _____ the week.
| A．of | B．from | C．at | D．for |