It’s easier to catch a _____ lion than the one that’s awake.
A. sleep B. slept C. sleeping D. to sleep
Mr. Smith didn’t go to the party because he had a lot of experiments _____.
A. do B. did C. done D. to do
Only if he gets a job ______ have enough money to build his own house.
A. he can B. can he C. he will D. did he
Harry _______ golf after graduation from college.
A. took up B. took in C. took over D. took down
---It’s a pity that the trees are going to die.
---_____ more attention, they could have grown better.
A. Giving B. Given C. To give D. Give
The peace talk between the two countries _____.
A. broke up B. broke down C. broke off D. broke into