. Choïn 1 ñaùp aùn ñuùng nhaát trong a, b, c hoaëc d ñeå ñieàn vaøo choå troáng:
31. The farmers were working _______ the farm when we came.
a. on b. in c. at d. from
32. The children ran _____ the hill to see the sunset.
a. on b. to c. up d. with
33. People grew a big banyan tree ______ the entrance of their village.
a. at b. in c. on d. before
34. Phong sometimes helps his uncle ______ the farm.
a. on b. in c. at d. for
35. The competition will take place _______ 7a.m and 11 a.m.
a. at b. from c. up to d. between
36. The students are going to make a trip to Hue _______ summer.
a. on b. in c. at d. till
37. Women prefer to wear modern clothing at work because it’s ________.
a. traditional b. baggy c. cheap d. convenient
38. I haven’t seen John ________ he got married.
a. when b. until c. since d. before
39. What is your _____ type of clothing on the weekend? - T-shirt and shorts.
a. like b. favorite c. ordinary d. working
40. All the homework ______ at home.
a. should be done b. should done c. should do d. should be do