Choosing the right dictionary depends on_______you want to use it for.
| A．what | B．why | C．how | D．whether |
The Great Wall travels______ deep valleys, _____ deserts and______ mountains.
| A．over; across; through | B．through; across; over |
| C．across; over; through | D．through; across; across |
Was it at the school gate, if I may ask, _______ you met your friends from your hometown?
| A．where | B．that | C．which | D．ones |
China recently control its waters near the HuangYan Island to prevent Chinese fishing boats from ____in the South China Sea
| A．attacking | B．having attacked |
| C．being attacked | D．having been attacked |
Internet shopping will really _____ when people believe that it is safe.
| A．take off | B．take up | C．get off | D．get up |
It is the second time that I ____ in Shanghai. What great changes! It’s years since I ____ here last time.
| A．went; had left | B．had been; left |
| C．have; had left | D．have been; left |