A few students don’t know ________ they should deal with stress before________ an exam.
| A．how; take | B．what; taking |
| C．how; taking | D．what; take |
A few students don’t know ________ they should deal with stress before________ an exam.
| A．how; take | B．what; taking |
| C．how; taking | D．what; take |
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