Question

★几道英语选择题，请高手帮忙（讲详细些，我会追加分）★

1)Walking in the hot sand,you may even have your feet____.
A.burn
B.burned
C.burning
D.to burn

2)A good way of saying"I am full"is moving____hand in circles over____stomach after____meal.
A.the;the;the
B.the;the;a
C.a;the;the
D.a;a;a

3)-Be____,Tom!The concert starts soon.
-You are always____the surprise of my life.
A.seated;having
B.seating;having
C.seat;have
D.seated;had

4)-What do you think has made Jane worried?
-____.
A.Because she failed the exam.
B.Because of failing the exam.
C.Failing the exam.
D.To have failed the exam.

■■■拜托讲详细些，我一定会根据情况加分的！■■■
我有第一题的答案，一开始我也选B，可答案为什么是C，难道这里特殊，不能用 have sth. done 吗？

Answer 1

BCAC.