There is ________ in population that a food shortage is caused.
A. so rapid an increase B. such rapid an increase
C. such rapid increase D. so a rapid increase
________ with the other students, the girl has better listening and speaking ability.
A. Comparing B. Compares C. To compare D. Compared
He always helps us ________ he is doing when we turn to him for help.
A. whenever B. whatever C. whichever D. however
—How many photos have you taken?
—I’ve taken 60 ________. I’ll take more.
A. in general B. in return C. in total D. at all
With the popularity of network, email has largely ________ the traditional letter.
A. exchanged B. removed C. expanded D. replaced
Many students, ________ some pocket money and social experience, work during their holidays.
A. to get B. having got C. getting D. got