__________ in the restaurant for half an hour, I suddenly realized I had left my wallet at home.
| A．To wait | B．Having waited | C．Having been waited | D．To have waited |
The time __Mathilde had to go back home finally arrived.
| A．which | B．when | C．that | D．for which |
--Let’s play basketball for a while, shall we?---No, I don’t want to
--How about ___? --Oh, that is fine.
| A．go for a walk | B．going for a walk | C．to go for a walk | D．be going for a walk |
Jim took my book by mistake.He ought ___ the yellow one.
| A．to take | B．to have taken | C．take | D．have taken |
Jeanne said; “My friend, Mathilde, __ very hard during those years.”
| A．had worked | B．use to work | C．used to working | D．used to work |
I don’t go in for sports, but I enjoy ___ basketball matches.
| A．watch | B．watching | C．to watch | D．watching for |