I'm afraid he’s more of a talker than a doer, which is ____ he never finishes anything.
Tthe doctor advised her to wear flat shoes _____her back problems.
Could it be in the room we had a talk last night you left your keys ?
____that the government can lead them out of the financial crisis ,people are optimistic about the future of the country.
In the time of HINI, scientists ____ their spare time to conduct research on the ways of curing the disease.
---- Did you pass the driving test? ---- No. I ______ it, but I had little time practicing.