Learning a foreign language calls for your memory, time, patience and emotions.____, it is not a simple thing.
--How often do you eat out? --______, but usually once a week.
We’d like to arrive half an hour early________ we can have time for a good rest.
To keep healthy, Mr. Smith_______ cycling as a regular form of exercise after he retired.
There are_____ large number of people there, so we soon lost____ sight of him.
– I’m sorry I didn’t finish it on time. -- ________.