19. Make sure to ________ bees when you go hiking in the forest.(A) hold on to (B) fly to and from (
20. Amazingly, some swimmers can hold their breath for ________ twenty minutes.(A) up for (B) up aga
22. Ostrich eggs are the largest of all eggs; one can weigh ________ 1500 grams.(A) in (B) at (C) fo
23. Adele noticed that her son seemed ________ and asked him what was wrong.(A) be upset (B) upset (
26. We were afraid ________ it was going to rain, so we cancelled the picnic.(A) what (B) when (C) ✕
27. Dimitrios ________ eats out in restaurants. He likes to prepare his own meals.(A) really (B) sel
28. Joon felt relieved when she heard that her son was ________ better.(A) getting (B) moving (C) so