is known to us is that the 2016 Olympic Games will be held in Rio de Janeiro, Brazil.
| A．It | B．Which | C．As | D．What |
It’s nice to see you again. What_________ since we last met?
| A．have you done | B．had you done |
| C．have you been doing | D．did you do |
--- Shall we take the 10:20 train?
--- No. If we took that train, we ________too late.
| A．arrive | B．arrived | C．will arrive | D．would arrive |
--- I had thought he would be nervous in this speech competition, but he turned out to be calm.
--- He________quite enough preparation for it.
| A．should do | B．must do | C．should have done | D．must have done |
Don’t give up regardless of difficulty and failure, ________ you’ll never achieve your goals.
| A．and | B．but | C．or | D．so |
--- Have you got any books on English grammar? I’d like to borrow __________.
--- Yes, here you are. But you must return it by Friday.
| A．it | B．one | C．some | D．any |