Machines made today are much better than __ of 1950s.A. that B, those C. the ones D. which
The car ______ at the present speed until it reaches the foot of the mountain at about ten o’clock tonight.
Though ______, many laws of nature exist.
_____, I couldn’t find a solution to the problem.
The servant did _____ she could ______ the revolutionary.
If you ______ the medicine you ______ better now.