Mary couldn’t go to the cinema with us because she had to _____ her little brother.
A. look for B. look after C. look at D . look into
Parents shouldn’t do all the things for their children because too much ______ prevents children’s development.
| A．protection | B．pollution | C．exploration | D．application |
–It’s said that Wang Meng spent almost 10 hours training every day.
--That’s true. She is really hard-working. ______, she won 3 golden medals in the 21st Winter Olympics.
| A．By the way | B．First of all | C．As a result | D．In order to |
We only heard about the meeting yesterday, so it ______ yet.
| A．didn’t prepare | B．hasn’t prepared |
| C．wasn’t prepared | D．hasn’t been prepared |
–How soon can you finish the work?
--We can finish it in 20 minutes if we have one more person ________ us.
| A．to help | B．helps | C．helped | D．helping |
–Nancy is an honest girl. She never tells a lie, ______?
--No, she doesn’t. We can trust her all the time.
| A．doesn’t she | B．isn’t she | C．does she | D．is she |