_____the afternoon of April 30th,many foreign visitors arrived___Shanghai.
A.In; B.On;in C.On;to
The dog ____ mad（疯的）.
| A．looks | B．is looked | C．is being looked | D．was looked |
I think _____necessary（必要的） to learn English well.
| A．its | B．it | C．that | D．that is |
____ were all very tired, but none of ____ would stop to take a rest.
| A．We, us | B．Us, we | C．We, our | D．We, we |
He got up ____ yesterday morning.
| A．lately | B．late | C．latest | D．latter |
The apple tasted ____.
| A．sweets | B．sweetly | C．nicely | D．sweet |