____ impressed the audience most was_____the magician LiuQian played in last year’s Spring Festival Gala.
| A．What; what | B．What; that | C．That; what | D．That; that |
With lots of problems ________ in the class, our teacher looks very relaxed and happy.
| A．solved | B．solve |
| C．being solved | D．to solve |
—Sometimes I am even sleepy in class.
—It’s terrible. You _____ as well go to bed earlier.
| A．should | B．will | C．might | D．can |
The problem lies in______ we’re now giving him a fish, not teaching him how to fish.
| A．what | B．that | C．which | D．if |
It’ll be another 50 years _________ China is expected to reach the level of a medium developed country.
| A．since | B．before | C．that | D．when |
—Can you guide the new comer to the post office now?
—________, if he is ready.
| A．By all means | B．In no case | C．My pleasure | D．No way |