I will never forget that terrible accident _______ it happened so long ago.
| A．even though | B．so that | C．only when | D．ever since |
Robots in the future will be ______ in people’s homes.
| A．more and more popular |
| B．more and more good |
| C．popular and popular |
| D．popularer and popularer |
Jack ran ______ to catch up with other students.
| A．enough fast | B．enough slow |
| C．fast enough | D．slow enough |
Please give him ____ to eat.
| A．special anything | B．anything special |
| C．special something | D．something special |
We are looking forward to ____ my grandparents soon.
| A．seeing | B．to see | C．sees | D．saw |
We have ____ books in our school library.
| A．Hundred of | B．hundreds of |
| C．a hundreds of | D．ten hundreds of |