It’s important to listen to your teacher carefully in class, so try not to let your mind _________.
| A．lose | B．stop | C．wander | D．disturb |
---Why can you speak English so fluently?
---Oh, I________ English in Shanghai International Studies University for four years.
| A．studied | B． would study | C．was studying | D．had studied |
The boy failed in the last exam, but if he continued being addicted to computer games, then so much______.
| A．the worst | B．worst | C．worse | D．the worse |
The Great Wall winds its way from west to east, _______ deserts, _______mountains and ________valleys, until at last it reaches the sea.
| A．across; through; over | B．through; on; across |
| C．across; along; up | D．across; over; through |
---I prefer spending much time solving the problem to consulting my teacher.
---That’s_______ I don’t agree. You should turn to your teacher for help if necessary.
| A．when | B．where | C．what | D．how |
______ relation between China and Russia has developed steadily since Vladimir Putin was re-elected______ president.
| A．The; the | B．The; / | C．A; the | D．The; a |