—Wow， your house is so big！
—Yes， it’s three times yours.
| A．the size as | B．more than | C．bigger as | D．bigger than |
I found the lecture hard to follow because itwhen I arrived.
| A． | started | B． | was starting |
| C． | would start | D． | had started |
--- What time is it?
--- I have no idea. But just a minute, I ______ it for you.
| A．check | B．checked |
| C．will check | D．would check |
The best moment for the football star was _______ he scored the winning goal.
| A．where | B．when |
| C．how | D．why |
the forest park is far away, a lot of tourists visit it every year.
| A． | As | B． | When |
| C． | Even though | D． | In case |
There are still many problemsbefore we are ready for a long stay on the Moon.
| A． | solving | B． | solved |
| C． | being solved | D． | to be solved |