You’ll have plenty of time tomorrow, so you work too late tonight．
| A．don’t have to | B．mustn’t | C．cannot | D．shouldn't |
Difficult _____ in practice, this new technique hasn’t been applied.
| A．operated | B．to be operated | C．operating | D．to operate |
— Did you watch the sunrise of Mount Tai last weekend?
— Yes. Luckily enough, when we climbed to the top of it, the thick fog began to _____ .
| A．lift | B．fail | C．appear | D．gather |
— Come on! Let’s go to the net bar.
— What? _____ you ever want to do is going online.
| A．Anything | B．Something | C．All | D．That |
Realizing the great renewal of the Chinese nation is just _____ we call “China dream”.
| A．which | B．what | C．that | D．where |
— No words are strong enough to express our thanks for your help.
— _____.
| A．It’s a pity | B．My pleasure | C．Never mind | D．With pleasure |