His aunt’s letters _______ his beautiful days when they used to live together in his hometown.
A.clear up B.come up C.catch up D.call up
______ regular exercise is very important, it is not a good idea to exercise too close to bedtime.
A.Although B.As C.Considering D.Assuming
I ______ sooner, but I didn’t know he was waiting for me.
A.would come B.had come C.would have come D.was coming
Enough has been said about health. _______ we should be aware that nothing is more valuable than health which is a solid foundation of one’s success.
A.In all B.In bold C.In approval D.In conclusion
The joey—what Australians call a baby kangaroo—stays in this built-in baby _______ until it can survive independently.
A.carriage B.carrier C.client D.component
His success was a long story, but ______ , he succeeded after many failures.
A.blindly B.barely C.broadly D.briefly