— It's too hard for me to be a trailwalker.
— Never ________. Believe in yourself!
| A．put up | B．give up |
| C．hurry up | D．look up |
Liu Yang is the first Chinese woman astronaut ______ has ever traveled in space.
| A．whom | B．which | C．who | D．whose |
Of the two coats, she’d like to choose the ________ one to save money for a book.
| A．cheapest | B．cheaper | C．more expensive | D．most expensive |
It’s _________ hard problem for the twins that ________ of them can work it out .
| A．so, neither | B．such a, none | C．so a, neither | D．such a, neither |
______ of that country _______ by snow.
| A．Second thirds; is covered | B．Two thirds; is covered |
| C．Two thirds; are covered | D．Two third; covers |
The more books you read, the ______ you will feel.
| A．more exciting | B．more excited | C．exciting | D．excited |