There is nothing to do but__________the experiment. A.to repeat B. repeating C. repeats
Putting money in basic science would __ considerable benefits for the country's health, wealth and security. A.lead to B. result from C. resulted in D. lie in
Some people have nothing to eat, __________ others eat too much. A. until B. unless C.
When you drive home, you can't be __________ careful. A.very B. too C. so D. only