During the week ____ he tried to collect materials for his article.
We were cut off from the outside world by the sudden flood; what’s worse, our food ______.
The taller children should stand at the back _____ everyone can see.
During the race many cars ______ while my new solar car came out first.
I was greatly ______ at how he worked out the ______ problem in a creative way.
In the garden there are a lot of flowers ______ I don’t know the names.