I wonder how long ago he ______ to be a teacher.
A. has begin
B. begin
C. began
D. has started
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When we ______ to the village, it was very late.
A. arrived
B. reached
C. got
D. landed
______ (Would, Should) you be so kind as to look after my baby while I am away
All the walls were ______ with pictures.
A. hang
B. hanged
C. hanging
D. hung
He ______ not work hard that was why he failed in the exam.
A. did
B. was
C. does
D. is