----How _____ your weekend?
-----It was great.
| A．was | B．did | C．is | D．were |
With help, we finished our work on time.
| A．they | B．them | C．their | D．theirs |
There isinsect on the ground. The child is very interested in it.
| A．a | B．/ | C．the | D．an |
People have learned a lot from
studies．
| A．science | B．scientific |
| C．scientist | D．sightseeing |
The computer was invented in the 20th
| A．sentence | B．center |
| C．concert | D．century |
The boy often got into
with the police.
| A．through | B．terrible |
| C．trouble | D．Trousers |