---- How did you know the surprising news?
---- I happened ____ the event then.
| A．to cover | B．to be covering | C．covering | D．to have covered |
_______ my parents’ help, I begin to catch up _______ my classmates.
| A．With, to | B．Under, with | C．With, with | D．To, to |
The dinosaur’s eggs are found by explorers in the _______
| A．1920s | B．1920’s | C．1920s’ | D．1920’ |
The boys always stays here for _________>
| A．one and half hour | B．one and half a hour |
| C．one and a half hours | D．one and half hours |
Lucy has been to _________ many times this year.
A. his uncle b. her uncles C. uncle’s D. her uncle’s
There are three ______ and seven _______ in the picture.
| A．deers, sheeps | B．deers, sheep | C．deer, sheep | D．deer, sheeps |